Home / 688,633.15-1,032,949.73-502,009.15

Finding the Fourth Proportional to 688,633.15, 1,032,949.73 and 502,009.15

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Solution

The fourth proportional to 688,633.15, 1,032,949.73 and 502,009.15 is: 753,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,633.15 : 1,032,949.73 = 502,009.15 : x
  2. Step 2: Convert to fraction form
    688,633.15/1,032,949.73 = 502,009.15/x
  3. Step 3: Cross multiply
    688,633.15x = 1,032,949.73 × 502,009.15
  4. Step 4: Simplify right side
    688,633.15x = 518,550,213,439.98
  5. Step 5: Solve for x
    x = 518,550,213,439.98/688,633.15
  6. Step 6: Final answer
    x = 753,013.73

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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.