Home / 454,347.60-681,521.40-451,237.20

Finding the Fourth Proportional to 454,347.60, 681,521.40 and 451,237.20

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Solution

The fourth proportional to 454,347.60, 681,521.40 and 451,237.20 is: 676,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,347.60 : 681,521.40 = 451,237.20 : x
  2. Step 2: Convert to fraction form
    454,347.60/681,521.40 = 451,237.20/x
  3. Step 3: Cross multiply
    454,347.60x = 681,521.40 × 451,237.20
  4. Step 4: Simplify right side
    454,347.60x = 307,527,808,276.08
  5. Step 5: Solve for x
    x = 307,527,808,276.08/454,347.60
  6. Step 6: Final answer
    x = 676,855.80

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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.