Home / 771,333.60-1,157,000.40-546,947.40

Finding the Fourth Proportional to 771,333.60, 1,157,000.40 and 546,947.40

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Solution

The fourth proportional to 771,333.60, 1,157,000.40 and 546,947.40 is: 820,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,333.60 : 1,157,000.40 = 546,947.40 : x
  2. Step 2: Convert to fraction form
    771,333.60/1,157,000.40 = 546,947.40/x
  3. Step 3: Cross multiply
    771,333.60x = 1,157,000.40 × 546,947.40
  4. Step 4: Simplify right side
    771,333.60x = 632,818,360,578.96
  5. Step 5: Solve for x
    x = 632,818,360,578.96/771,333.60
  6. Step 6: Final answer
    x = 820,421.10

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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.