Home / 948,314.38-1,308,696.57-540,407.50

Finding the Fourth Proportional to 948,314.38, 1,308,696.57 and 540,407.50

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Solution

The fourth proportional to 948,314.38, 1,308,696.57 and 540,407.50 is: 745,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,314.38 : 1,308,696.57 = 540,407.50 : x
  2. Step 2: Convert to fraction form
    948,314.38/1,308,696.57 = 540,407.50/x
  3. Step 3: Cross multiply
    948,314.38x = 1,308,696.57 × 540,407.50
  4. Step 4: Simplify right side
    948,314.38x = 707,229,441,652.28
  5. Step 5: Solve for x
    x = 707,229,441,652.28/948,314.38
  6. Step 6: Final answer
    x = 745,775.30

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Double scale
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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.