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Finding the Fourth Proportional to 924,995.66, 1,386,389.04 and 475,931.66

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Solution

The fourth proportional to 924,995.66, 1,386,389.04 and 475,931.66 is: 713,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,995.66 : 1,386,389.04 = 475,931.66 : x
  2. Step 2: Convert to fraction form
    924,995.66/1,386,389.04 = 475,931.66/x
  3. Step 3: Cross multiply
    924,995.66x = 1,386,389.04 × 475,931.66
  4. Step 4: Simplify right side
    924,995.66x = 659,826,437,213.01
  5. Step 5: Solve for x
    x = 659,826,437,213.01/924,995.66
  6. Step 6: Final answer
    x = 713,329.22

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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.