Home / 810,248.13-1,118,154.15-447,680.34

Finding the Fourth Proportional to 810,248.13, 1,118,154.15 and 447,680.34

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Solution

The fourth proportional to 810,248.13, 1,118,154.15 and 447,680.34 is: 617,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,248.13 : 1,118,154.15 = 447,680.34 : x
  2. Step 2: Convert to fraction form
    810,248.13/1,118,154.15 = 447,680.34/x
  3. Step 3: Cross multiply
    810,248.13x = 1,118,154.15 × 447,680.34
  4. Step 4: Simplify right side
    810,248.13x = 500,575,630,044.41
  5. Step 5: Solve for x
    x = 500,575,630,044.41/810,248.13
  6. Step 6: Final answer
    x = 617,805.35

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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.