Home / 914,655.30-1,371,982.95-283,632.90

Finding the Fourth Proportional to 914,655.30, 1,371,982.95 and 283,632.90

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Solution

The fourth proportional to 914,655.30, 1,371,982.95 and 283,632.90 is: 425,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,655.30 : 1,371,982.95 = 283,632.90 : x
  2. Step 2: Convert to fraction form
    914,655.30/1,371,982.95 = 283,632.90/x
  3. Step 3: Cross multiply
    914,655.30x = 1,371,982.95 × 283,632.90
  4. Step 4: Simplify right side
    914,655.30x = 389,139,502,859.06
  5. Step 5: Solve for x
    x = 389,139,502,859.06/914,655.30
  6. Step 6: Final answer
    x = 425,449.35

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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.