Home / 709,510.30-1,064,265.45-260,081.80

Finding the Fourth Proportional to 709,510.30, 1,064,265.45 and 260,081.80

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Solution

The fourth proportional to 709,510.30, 1,064,265.45 and 260,081.80 is: 390,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,510.30 : 1,064,265.45 = 260,081.80 : x
  2. Step 2: Convert to fraction form
    709,510.30/1,064,265.45 = 260,081.80/x
  3. Step 3: Cross multiply
    709,510.30x = 1,064,265.45 × 260,081.80
  4. Step 4: Simplify right side
    709,510.30x = 276,796,073,913.81
  5. Step 5: Solve for x
    x = 276,796,073,913.81/709,510.30
  6. Step 6: Final answer
    x = 390,122.70

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Similar ratio
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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.