Home / 688,621.80-1,032,932.70-546,904.20

Finding the Fourth Proportional to 688,621.80, 1,032,932.70 and 546,904.20

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Solution

The fourth proportional to 688,621.80, 1,032,932.70 and 546,904.20 is: 820,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,621.80 : 1,032,932.70 = 546,904.20 : x
  2. Step 2: Convert to fraction form
    688,621.80/1,032,932.70 = 546,904.20/x
  3. Step 3: Cross multiply
    688,621.80x = 1,032,932.70 × 546,904.20
  4. Step 4: Simplify right side
    688,621.80x = 564,915,231,947.34
  5. Step 5: Solve for x
    x = 564,915,231,947.34/688,621.80
  6. Step 6: Final answer
    x = 820,356.30

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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.