Home / 977,002.20-1,465,503.30-471,805.20

Finding the Fourth Proportional to 977,002.20, 1,465,503.30 and 471,805.20

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Solution

The fourth proportional to 977,002.20, 1,465,503.30 and 471,805.20 is: 707,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,002.20 : 1,465,503.30 = 471,805.20 : x
  2. Step 2: Convert to fraction form
    977,002.20/1,465,503.30 = 471,805.20/x
  3. Step 3: Cross multiply
    977,002.20x = 1,465,503.30 × 471,805.20
  4. Step 4: Simplify right side
    977,002.20x = 691,432,077,557.16
  5. Step 5: Solve for x
    x = 691,432,077,557.16/977,002.20
  6. Step 6: Final answer
    x = 707,707.80

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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.