Home / 887,410.90-1,330,209.15-437,439.70

Finding the Fourth Proportional to 887,410.90, 1,330,209.15 and 437,439.70

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Solution

The fourth proportional to 887,410.90, 1,330,209.15 and 437,439.70 is: 655,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,410.90 : 1,330,209.15 = 437,439.70 : x
  2. Step 2: Convert to fraction form
    887,410.90/1,330,209.15 = 437,439.70/x
  3. Step 3: Cross multiply
    887,410.90x = 1,330,209.15 × 437,439.70
  4. Step 4: Simplify right side
    887,410.90x = 581,886,291,513.26
  5. Step 5: Solve for x
    x = 581,886,291,513.26/887,410.90
  6. Step 6: Final answer
    x = 655,712.36

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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.