Home / 895,391.28-1,342,630.80-440,012.88

Finding the Fourth Proportional to 895,391.28, 1,342,630.80 and 440,012.88

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Solution

The fourth proportional to 895,391.28, 1,342,630.80 and 440,012.88 is: 659,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,391.28 : 1,342,630.80 = 440,012.88 : x
  2. Step 2: Convert to fraction form
    895,391.28/1,342,630.80 = 440,012.88/x
  3. Step 3: Cross multiply
    895,391.28x = 1,342,630.80 × 440,012.88
  4. Step 4: Simplify right side
    895,391.28x = 590,774,845,084.70
  5. Step 5: Solve for x
    x = 590,774,845,084.70/895,391.28
  6. Step 6: Final answer
    x = 659,795.17

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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.