Home / 740,002.79-1,110,142.56-234,428.01

Finding the Fourth Proportional to 740,002.79, 1,110,142.56 and 234,428.01

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Solution

The fourth proportional to 740,002.79, 1,110,142.56 and 234,428.01 is: 351,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,002.79 : 1,110,142.56 = 234,428.01 : x
  2. Step 2: Convert to fraction form
    740,002.79/1,110,142.56 = 234,428.01/x
  3. Step 3: Cross multiply
    740,002.79x = 1,110,142.56 × 234,428.01
  4. Step 4: Simplify right side
    740,002.79x = 260,248,507,873.18
  5. Step 5: Solve for x
    x = 260,248,507,873.18/740,002.79
  6. Step 6: Final answer
    x = 351,685.85

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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.