Home / 730,060.65-1,007,472.98-407,775.45

Finding the Fourth Proportional to 730,060.65, 1,007,472.98 and 407,775.45

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Solution

The fourth proportional to 730,060.65, 1,007,472.98 and 407,775.45 is: 562,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,060.65 : 1,007,472.98 = 407,775.45 : x
  2. Step 2: Convert to fraction form
    730,060.65/1,007,472.98 = 407,775.45/x
  3. Step 3: Cross multiply
    730,060.65x = 1,007,472.98 × 407,775.45
  4. Step 4: Simplify right side
    730,060.65x = 410,822,745,743.46
  5. Step 5: Solve for x
    x = 410,822,745,743.46/730,060.65
  6. Step 6: Final answer
    x = 562,724.13

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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.