Home / 755,102.47-1,041,859.12-445,017.80

Finding the Fourth Proportional to 755,102.47, 1,041,859.12 and 445,017.80

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Solution

The fourth proportional to 755,102.47, 1,041,859.12 and 445,017.80 is: 614,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,102.47 : 1,041,859.12 = 445,017.80 : x
  2. Step 2: Convert to fraction form
    755,102.47/1,041,859.12 = 445,017.80/x
  3. Step 3: Cross multiply
    755,102.47x = 1,041,859.12 × 445,017.80
  4. Step 4: Simplify right side
    755,102.47x = 463,645,853,492.34
  5. Step 5: Solve for x
    x = 463,645,853,492.34/755,102.47
  6. Step 6: Final answer
    x = 614,017.13

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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.