Home / 948,211.08-1,308,279.12-540,304.20

Finding the Fourth Proportional to 948,211.08, 1,308,279.12 and 540,304.20

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Solution

The fourth proportional to 948,211.08, 1,308,279.12 and 540,304.20 is: 745,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,211.08 : 1,308,279.12 = 540,304.20 : x
  2. Step 2: Convert to fraction form
    948,211.08/1,308,279.12 = 540,304.20/x
  3. Step 3: Cross multiply
    948,211.08x = 1,308,279.12 × 540,304.20
  4. Step 4: Simplify right side
    948,211.08x = 706,868,703,308.30
  5. Step 5: Solve for x
    x = 706,868,703,308.30/948,211.08
  6. Step 6: Final answer
    x = 745,476.11

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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.