Home / 770,781.14-1,154,621.63-433,316.10

Finding the Fourth Proportional to 770,781.14, 1,154,621.63 and 433,316.10

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Solution

The fourth proportional to 770,781.14, 1,154,621.63 and 433,316.10 is: 649,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,781.14 : 1,154,621.63 = 433,316.10 : x
  2. Step 2: Convert to fraction form
    770,781.14/1,154,621.63 = 433,316.10/x
  3. Step 3: Cross multiply
    770,781.14x = 1,154,621.63 × 433,316.10
  4. Step 4: Simplify right side
    770,781.14x = 500,316,141,687.24
  5. Step 5: Solve for x
    x = 500,316,141,687.24/770,781.14
  6. Step 6: Final answer
    x = 649,102.73

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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.