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Finding the Fourth Proportional to 647,523.20, 971,284.80 and 589,462.40

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Solution

The fourth proportional to 647,523.20, 971,284.80 and 589,462.40 is: 884,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,523.20 : 971,284.80 = 589,462.40 : x
  2. Step 2: Convert to fraction form
    647,523.20/971,284.80 = 589,462.40/x
  3. Step 3: Cross multiply
    647,523.20x = 971,284.80 × 589,462.40
  4. Step 4: Simplify right side
    647,523.20x = 572,535,869,291.52
  5. Step 5: Solve for x
    x = 572,535,869,291.52/647,523.20
  6. Step 6: Final answer
    x = 884,193.60

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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.