Home / 824,472.58-1,138,328.50-514,848.20

Finding the Fourth Proportional to 824,472.58, 1,138,328.50 and 514,848.20

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Solution

The fourth proportional to 824,472.58, 1,138,328.50 and 514,848.20 is: 710,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,472.58 : 1,138,328.50 = 514,848.20 : x
  2. Step 2: Convert to fraction form
    824,472.58/1,138,328.50 = 514,848.20/x
  3. Step 3: Cross multiply
    824,472.58x = 1,138,328.50 × 514,848.20
  4. Step 4: Simplify right side
    824,472.58x = 586,066,379,233.70
  5. Step 5: Solve for x
    x = 586,066,379,233.70/824,472.58
  6. Step 6: Final answer
    x = 710,837.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.