Home / 738,981.70-1,108,472.55-265,714.90

Finding the Fourth Proportional to 738,981.70, 1,108,472.55 and 265,714.90

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Solution

The fourth proportional to 738,981.70, 1,108,472.55 and 265,714.90 is: 398,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,981.70 : 1,108,472.55 = 265,714.90 : x
  2. Step 2: Convert to fraction form
    738,981.70/1,108,472.55 = 265,714.90/x
  3. Step 3: Cross multiply
    738,981.70x = 1,108,472.55 × 265,714.90
  4. Step 4: Simplify right side
    738,981.70x = 294,537,672,776.00
  5. Step 5: Solve for x
    x = 294,537,672,776.00/738,981.70
  6. Step 6: Final answer
    x = 398,572.35

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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.