Home / 866,646.46-1,300,423.08-354,691.66

Finding the Fourth Proportional to 866,646.46, 1,300,423.08 and 354,691.66

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Solution

The fourth proportional to 866,646.46, 1,300,423.08 and 354,691.66 is: 532,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,646.46 : 1,300,423.08 = 354,691.66 : x
  2. Step 2: Convert to fraction form
    866,646.46/1,300,423.08 = 354,691.66/x
  3. Step 3: Cross multiply
    866,646.46x = 1,300,423.08 × 354,691.66
  4. Step 4: Simplify right side
    866,646.46x = 461,249,220,947.51
  5. Step 5: Solve for x
    x = 461,249,220,947.51/866,646.46
  6. Step 6: Final answer
    x = 532,223.05

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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.