Home / 989,034.25-1,364,867.27-536,325.61

Finding the Fourth Proportional to 989,034.25, 1,364,867.27 and 536,325.61

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Solution

The fourth proportional to 989,034.25, 1,364,867.27 and 536,325.61 is: 740,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,034.25 : 1,364,867.27 = 536,325.61 : x
  2. Step 2: Convert to fraction form
    989,034.25/1,364,867.27 = 536,325.61/x
  3. Step 3: Cross multiply
    989,034.25x = 1,364,867.27 × 536,325.61
  4. Step 4: Simplify right side
    989,034.25x = 732,013,271,151.79
  5. Step 5: Solve for x
    x = 732,013,271,151.79/989,034.25
  6. Step 6: Final answer
    x = 740,129.34

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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.