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Finding the Fourth Proportional to 576,502.80, 862,421.40 and 506,518.80

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Solution

The fourth proportional to 576,502.80, 862,421.40 and 506,518.80 is: 757,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,502.80 : 862,421.40 = 506,518.80 : x
  2. Step 2: Convert to fraction form
    576,502.80/862,421.40 = 506,518.80/x
  3. Step 3: Cross multiply
    576,502.80x = 862,421.40 × 506,518.80
  4. Step 4: Simplify right side
    576,502.80x = 436,832,652,622.32
  5. Step 5: Solve for x
    x = 436,832,652,622.32/576,502.80
  6. Step 6: Final answer
    x = 757,728.59

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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.