Home / 970,931.76-1,456,345.28-297,013.20

Finding the Fourth Proportional to 970,931.76, 1,456,345.28 and 297,013.20

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Solution

The fourth proportional to 970,931.76, 1,456,345.28 and 297,013.20 is: 445,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,931.76 : 1,456,345.28 = 297,013.20 : x
  2. Step 2: Convert to fraction form
    970,931.76/1,456,345.28 = 297,013.20/x
  3. Step 3: Cross multiply
    970,931.76x = 1,456,345.28 × 297,013.20
  4. Step 4: Simplify right side
    970,931.76x = 432,553,771,917.70
  5. Step 5: Solve for x
    x = 432,553,771,917.70/970,931.76
  6. Step 6: Final answer
    x = 445,503.78

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Double scale
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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.