Home / 750,655.36-1,035,929.28-411,142.24

Finding the Fourth Proportional to 750,655.36, 1,035,929.28 and 411,142.24

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Solution

The fourth proportional to 750,655.36, 1,035,929.28 and 411,142.24 is: 567,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,655.36 : 1,035,929.28 = 411,142.24 : x
  2. Step 2: Convert to fraction form
    750,655.36/1,035,929.28 = 411,142.24/x
  3. Step 3: Cross multiply
    750,655.36x = 1,035,929.28 × 411,142.24
  4. Step 4: Simplify right side
    750,655.36x = 425,914,284,660.79
  5. Step 5: Solve for x
    x = 425,914,284,660.79/750,655.36
  6. Step 6: Final answer
    x = 567,389.92

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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.