Home / 688,743.29-950,419.62-382,799.81

Finding the Fourth Proportional to 688,743.29, 950,419.62 and 382,799.81

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Solution

The fourth proportional to 688,743.29, 950,419.62 and 382,799.81 is: 528,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,743.29 : 950,419.62 = 382,799.81 : x
  2. Step 2: Convert to fraction form
    688,743.29/950,419.62 = 382,799.81/x
  3. Step 3: Cross multiply
    688,743.29x = 950,419.62 × 382,799.81
  4. Step 4: Simplify right side
    688,743.29x = 363,820,445,204.17
  5. Step 5: Solve for x
    x = 363,820,445,204.17/688,743.29
  6. Step 6: Final answer
    x = 528,238.10

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1.5x scale

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.