Home / 743,820.60-1,026,966.74-571,431.52

Finding the Fourth Proportional to 743,820.60, 1,026,966.74 and 571,431.52

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Solution

The fourth proportional to 743,820.60, 1,026,966.74 and 571,431.52 is: 788,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,820.60 : 1,026,966.74 = 571,431.52 : x
  2. Step 2: Convert to fraction form
    743,820.60/1,026,966.74 = 571,431.52/x
  3. Step 3: Cross multiply
    743,820.60x = 1,026,966.74 × 571,431.52
  4. Step 4: Simplify right side
    743,820.60x = 586,841,165,227.65
  5. Step 5: Solve for x
    x = 586,841,165,227.65/743,820.60
  6. Step 6: Final answer
    x = 788,955.25

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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.