Home / 688,632.30-1,032,948.45-546,914.70

Finding the Fourth Proportional to 688,632.30, 1,032,948.45 and 546,914.70

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Solution

The fourth proportional to 688,632.30, 1,032,948.45 and 546,914.70 is: 820,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,632.30 : 1,032,948.45 = 546,914.70 : x
  2. Step 2: Convert to fraction form
    688,632.30/1,032,948.45 = 546,914.70/x
  3. Step 3: Cross multiply
    688,632.30x = 1,032,948.45 × 546,914.70
  4. Step 4: Simplify right side
    688,632.30x = 564,934,691,647.22
  5. Step 5: Solve for x
    x = 564,934,691,647.22/688,632.30
  6. Step 6: Final answer
    x = 820,372.05

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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.