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Finding the Fourth Proportional to 584,887.80, 879,081.30 and 507,905.40

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Solution

The fourth proportional to 584,887.80, 879,081.30 and 507,905.40 is: 763,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,887.80 : 879,081.30 = 507,905.40 : x
  2. Step 2: Convert to fraction form
    584,887.80/879,081.30 = 507,905.40/x
  3. Step 3: Cross multiply
    584,887.80x = 879,081.30 × 507,905.40
  4. Step 4: Simplify right side
    584,887.80x = 446,490,139,309.02
  5. Step 5: Solve for x
    x = 446,490,139,309.02/584,887.80
  6. Step 6: Final answer
    x = 763,377.42

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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.