Home / 673,772.40-1,010,658.60-434,623.95

Finding the Fourth Proportional to 673,772.40, 1,010,658.60 and 434,623.95

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Solution

The fourth proportional to 673,772.40, 1,010,658.60 and 434,623.95 is: 651,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,772.40 : 1,010,658.60 = 434,623.95 : x
  2. Step 2: Convert to fraction form
    673,772.40/1,010,658.60 = 434,623.95/x
  3. Step 3: Cross multiply
    673,772.40x = 1,010,658.60 × 434,623.95
  4. Step 4: Simplify right side
    673,772.40x = 439,256,432,833.47
  5. Step 5: Solve for x
    x = 439,256,432,833.47/673,772.40
  6. Step 6: Final answer
    x = 651,935.93

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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.