Home / 863,445.40-1,295,168.10-546,962.20

Finding the Fourth Proportional to 863,445.40, 1,295,168.10 and 546,962.20

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Solution

The fourth proportional to 863,445.40, 1,295,168.10 and 546,962.20 is: 820,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,445.40 : 1,295,168.10 = 546,962.20 : x
  2. Step 2: Convert to fraction form
    863,445.40/1,295,168.10 = 546,962.20/x
  3. Step 3: Cross multiply
    863,445.40x = 1,295,168.10 × 546,962.20
  4. Step 4: Simplify right side
    863,445.40x = 708,407,993,345.82
  5. Step 5: Solve for x
    x = 708,407,993,345.82/863,445.40
  6. Step 6: Final answer
    x = 820,443.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.