Home / 745,070.67-1,026,967.77-526,997.61

Finding the Fourth Proportional to 745,070.67, 1,026,967.77 and 526,997.61

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Solution

The fourth proportional to 745,070.67, 1,026,967.77 and 526,997.61 is: 726,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,070.67 : 1,026,967.77 = 526,997.61 : x
  2. Step 2: Convert to fraction form
    745,070.67/1,026,967.77 = 526,997.61/x
  3. Step 3: Cross multiply
    745,070.67x = 1,026,967.77 × 526,997.61
  4. Step 4: Simplify right side
    745,070.67x = 541,209,560,337.03
  5. Step 5: Solve for x
    x = 541,209,560,337.03/745,070.67
  6. Step 6: Final answer
    x = 726,386.88

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1.5x scale

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.