Home / 841,352.13-1,260,146.03-391,398.75

Finding the Fourth Proportional to 841,352.13, 1,260,146.03 and 391,398.75

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Solution

The fourth proportional to 841,352.13, 1,260,146.03 and 391,398.75 is: 586,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,352.13 : 1,260,146.03 = 391,398.75 : x
  2. Step 2: Convert to fraction form
    841,352.13/1,260,146.03 = 391,398.75/x
  3. Step 3: Cross multiply
    841,352.13x = 1,260,146.03 × 391,398.75
  4. Step 4: Simplify right side
    841,352.13x = 493,219,579,002.47
  5. Step 5: Solve for x
    x = 493,219,579,002.47/841,352.13
  6. Step 6: Final answer
    x = 586,222.54

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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.