Home / 747,603.60-1,031,656.68-408,051.60

Finding the Fourth Proportional to 747,603.60, 1,031,656.68 and 408,051.60

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Solution

The fourth proportional to 747,603.60, 1,031,656.68 and 408,051.60 is: 563,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,603.60 : 1,031,656.68 = 408,051.60 : x
  2. Step 2: Convert to fraction form
    747,603.60/1,031,656.68 = 408,051.60/x
  3. Step 3: Cross multiply
    747,603.60x = 1,031,656.68 × 408,051.60
  4. Step 4: Simplify right side
    747,603.60x = 420,969,158,924.69
  5. Step 5: Solve for x
    x = 420,969,158,924.69/747,603.60
  6. Step 6: Final answer
    x = 563,091.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.