Home / 782,658.04-1,174,134.64-296,485.72

Finding the Fourth Proportional to 782,658.04, 1,174,134.64 and 296,485.72

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Solution

The fourth proportional to 782,658.04, 1,174,134.64 and 296,485.72 is: 444,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,658.04 : 1,174,134.64 = 296,485.72 : x
  2. Step 2: Convert to fraction form
    782,658.04/1,174,134.64 = 296,485.72/x
  3. Step 3: Cross multiply
    782,658.04x = 1,174,134.64 × 296,485.72
  4. Step 4: Simplify right side
    782,658.04x = 348,114,154,117.34
  5. Step 5: Solve for x
    x = 348,114,154,117.34/782,658.04
  6. Step 6: Final answer
    x = 444,784.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.