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Finding the Fourth Proportional to 576,085.80, 864,128.70 and 506,101.80

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Solution

The fourth proportional to 576,085.80, 864,128.70 and 506,101.80 is: 759,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,085.80 : 864,128.70 = 506,101.80 : x
  2. Step 2: Convert to fraction form
    576,085.80/864,128.70 = 506,101.80/x
  3. Step 3: Cross multiply
    576,085.80x = 864,128.70 × 506,101.80
  4. Step 4: Simplify right side
    576,085.80x = 437,337,090,501.66
  5. Step 5: Solve for x
    x = 437,337,090,501.66/576,085.80
  6. Step 6: Final answer
    x = 759,152.70

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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.