Home / 692,500.10-1,038,750.15-543,200.90

Finding the Fourth Proportional to 692,500.10, 1,038,750.15 and 543,200.90

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Solution

The fourth proportional to 692,500.10, 1,038,750.15 and 543,200.90 is: 814,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,500.10 : 1,038,750.15 = 543,200.90 : x
  2. Step 2: Convert to fraction form
    692,500.10/1,038,750.15 = 543,200.90/x
  3. Step 3: Cross multiply
    692,500.10x = 1,038,750.15 × 543,200.90
  4. Step 4: Simplify right side
    692,500.10x = 564,250,016,355.14
  5. Step 5: Solve for x
    x = 564,250,016,355.14/692,500.10
  6. Step 6: Final answer
    x = 814,801.35

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1.5x scale

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.