Home / 755,637.48-1,133,899.10-542,175.34

Finding the Fourth Proportional to 755,637.48, 1,133,899.10 and 542,175.34

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Solution

The fourth proportional to 755,637.48, 1,133,899.10 and 542,175.34 is: 813,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,637.48 : 1,133,899.10 = 542,175.34 : x
  2. Step 2: Convert to fraction form
    755,637.48/1,133,899.10 = 542,175.34/x
  3. Step 3: Cross multiply
    755,637.48x = 1,133,899.10 × 542,175.34
  4. Step 4: Simplify right side
    755,637.48x = 614,772,130,068.19
  5. Step 5: Solve for x
    x = 614,772,130,068.19/755,637.48
  6. Step 6: Final answer
    x = 813,580.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.