Home / 688,445.04-950,045.68-386,639.04

Finding the Fourth Proportional to 688,445.04, 950,045.68 and 386,639.04

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Solution

The fourth proportional to 688,445.04, 950,045.68 and 386,639.04 is: 533,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,445.04 : 950,045.68 = 386,639.04 : x
  2. Step 2: Convert to fraction form
    688,445.04/950,045.68 = 386,639.04/x
  3. Step 3: Cross multiply
    688,445.04x = 950,045.68 × 386,639.04
  4. Step 4: Simplify right side
    688,445.04x = 367,324,749,671.35
  5. Step 5: Solve for x
    x = 367,324,749,671.35/688,445.04
  6. Step 6: Final answer
    x = 533,557.12

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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.