Home / 763,398.36-1,150,459.29-687,592.08

Finding the Fourth Proportional to 763,398.36, 1,150,459.29 and 687,592.08

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Solution

The fourth proportional to 763,398.36, 1,150,459.29 and 687,592.08 is: 1,036,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,398.36 : 1,150,459.29 = 687,592.08 : x
  2. Step 2: Convert to fraction form
    763,398.36/1,150,459.29 = 687,592.08/x
  3. Step 3: Cross multiply
    763,398.36x = 1,150,459.29 × 687,592.08
  4. Step 4: Simplify right side
    763,398.36x = 791,046,696,166.42
  5. Step 5: Solve for x
    x = 791,046,696,166.42/763,398.36
  6. Step 6: Final answer
    x = 1,036,217.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.