Home / 767,840.20-1,151,760.30-710,103.40

Finding the Fourth Proportional to 767,840.20, 1,151,760.30 and 710,103.40

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Solution

The fourth proportional to 767,840.20, 1,151,760.30 and 710,103.40 is: 1,065,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,840.20 : 1,151,760.30 = 710,103.40 : x
  2. Step 2: Convert to fraction form
    767,840.20/1,151,760.30 = 710,103.40/x
  3. Step 3: Cross multiply
    767,840.20x = 1,151,760.30 × 710,103.40
  4. Step 4: Simplify right side
    767,840.20x = 817,868,905,015.02
  5. Step 5: Solve for x
    x = 817,868,905,015.02/767,840.20
  6. Step 6: Final answer
    x = 1,065,155.10

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Double scale
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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.