Home / 960,839.70-1,440,603.45-455,642.70

Finding the Fourth Proportional to 960,839.70, 1,440,603.45 and 455,642.70

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Solution

The fourth proportional to 960,839.70, 1,440,603.45 and 455,642.70 is: 683,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,839.70 : 1,440,603.45 = 455,642.70 : x
  2. Step 2: Convert to fraction form
    960,839.70/1,440,603.45 = 455,642.70/x
  3. Step 3: Cross multiply
    960,839.70x = 1,440,603.45 × 455,642.70
  4. Step 4: Simplify right side
    960,839.70x = 656,400,445,587.32
  5. Step 5: Solve for x
    x = 656,400,445,587.32/960,839.70
  6. Step 6: Final answer
    x = 683,152.92

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1.5x scale

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.