Home / 887,417.10-1,331,125.65-414,150.30

Finding the Fourth Proportional to 887,417.10, 1,331,125.65 and 414,150.30

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Solution

The fourth proportional to 887,417.10, 1,331,125.65 and 414,150.30 is: 621,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,417.10 : 1,331,125.65 = 414,150.30 : x
  2. Step 2: Convert to fraction form
    887,417.10/1,331,125.65 = 414,150.30/x
  3. Step 3: Cross multiply
    887,417.10x = 1,331,125.65 × 414,150.30
  4. Step 4: Simplify right side
    887,417.10x = 551,286,087,285.20
  5. Step 5: Solve for x
    x = 551,286,087,285.20/887,417.10
  6. Step 6: Final answer
    x = 621,225.45

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Double scale
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Similar ratio
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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.