Home / 959,397.16-1,438,789.56-390,777.16

Finding the Fourth Proportional to 959,397.16, 1,438,789.56 and 390,777.16

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Solution

The fourth proportional to 959,397.16, 1,438,789.56 and 390,777.16 is: 586,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,397.16 : 1,438,789.56 = 390,777.16 : x
  2. Step 2: Convert to fraction form
    959,397.16/1,438,789.56 = 390,777.16/x
  3. Step 3: Cross multiply
    959,397.16x = 1,438,789.56 × 390,777.16
  4. Step 4: Simplify right side
    959,397.16x = 562,246,098,094.45
  5. Step 5: Solve for x
    x = 562,246,098,094.45/959,397.16
  6. Step 6: Final answer
    x = 586,041.03

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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.