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Finding the Fourth Proportional to 584,167.80, 819,015.90 and 584,167.80

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Solution

The fourth proportional to 584,167.80, 819,015.90 and 584,167.80 is: 819,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,167.80 : 819,015.90 = 584,167.80 : x
  2. Step 2: Convert to fraction form
    584,167.80/819,015.90 = 584,167.80/x
  3. Step 3: Cross multiply
    584,167.80x = 819,015.90 × 584,167.80
  4. Step 4: Simplify right side
    584,167.80x = 478,442,716,468.02
  5. Step 5: Solve for x
    x = 478,442,716,468.02/584,167.80
  6. Step 6: Final answer
    x = 819,015.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.