Home / 690,411.04-952,770.72-403,875.52

Finding the Fourth Proportional to 690,411.04, 952,770.72 and 403,875.52

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Solution

The fourth proportional to 690,411.04, 952,770.72 and 403,875.52 is: 557,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,411.04 : 952,770.72 = 403,875.52 : x
  2. Step 2: Convert to fraction form
    690,411.04/952,770.72 = 403,875.52/x
  3. Step 3: Cross multiply
    690,411.04x = 952,770.72 × 403,875.52
  4. Step 4: Simplify right side
    690,411.04x = 384,800,769,980.77
  5. Step 5: Solve for x
    x = 384,800,769,980.77/690,411.04
  6. Step 6: Final answer
    x = 557,350.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.