Home / 524,278.20-784,862.10-346,985.40

Finding the Fourth Proportional to 524,278.20, 784,862.10 and 346,985.40

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Solution

The fourth proportional to 524,278.20, 784,862.10 and 346,985.40 is: 519,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,278.20 : 784,862.10 = 346,985.40 : x
  2. Step 2: Convert to fraction form
    524,278.20/784,862.10 = 346,985.40/x
  3. Step 3: Cross multiply
    524,278.20x = 784,862.10 × 346,985.40
  4. Step 4: Simplify right side
    524,278.20x = 272,335,689,713.34
  5. Step 5: Solve for x
    x = 272,335,689,713.34/524,278.20
  6. Step 6: Final answer
    x = 519,448.81

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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.