Home / 902,318.04-1,245,116.07-520,271.01

Finding the Fourth Proportional to 902,318.04, 1,245,116.07 and 520,271.01

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Solution

The fourth proportional to 902,318.04, 1,245,116.07 and 520,271.01 is: 717,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,318.04 : 1,245,116.07 = 520,271.01 : x
  2. Step 2: Convert to fraction form
    902,318.04/1,245,116.07 = 520,271.01/x
  3. Step 3: Cross multiply
    902,318.04x = 1,245,116.07 × 520,271.01
  4. Step 4: Simplify right side
    902,318.04x = 647,797,795,306.13
  5. Step 5: Solve for x
    x = 647,797,795,306.13/902,318.04
  6. Step 6: Final answer
    x = 717,926.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.