Home / 836,550.76-1,154,428.42-464,002.31

Finding the Fourth Proportional to 836,550.76, 1,154,428.42 and 464,002.31

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Solution

The fourth proportional to 836,550.76, 1,154,428.42 and 464,002.31 is: 640,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,550.76 : 1,154,428.42 = 464,002.31 : x
  2. Step 2: Convert to fraction form
    836,550.76/1,154,428.42 = 464,002.31/x
  3. Step 3: Cross multiply
    836,550.76x = 1,154,428.42 × 464,002.31
  4. Step 4: Simplify right side
    836,550.76x = 535,657,458,117.11
  5. Step 5: Solve for x
    x = 535,657,458,117.11/836,550.76
  6. Step 6: Final answer
    x = 640,316.74

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Double scale
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Similar ratio
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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.