Home / 960,430.06-1,440,701.47-361,396.40

Finding the Fourth Proportional to 960,430.06, 1,440,701.47 and 361,396.40

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Solution

The fourth proportional to 960,430.06, 1,440,701.47 and 361,396.40 is: 542,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,430.06 : 1,440,701.47 = 361,396.40 : x
  2. Step 2: Convert to fraction form
    960,430.06/1,440,701.47 = 361,396.40/x
  3. Step 3: Cross multiply
    960,430.06x = 1,440,701.47 × 361,396.40
  4. Step 4: Simplify right side
    960,430.06x = 520,664,326,084.89
  5. Step 5: Solve for x
    x = 520,664,326,084.89/960,430.06
  6. Step 6: Final answer
    x = 542,115.82

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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.