Home / 902,607.84-1,245,656.88-500,225.76

Finding the Fourth Proportional to 902,607.84, 1,245,656.88 and 500,225.76

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Solution

The fourth proportional to 902,607.84, 1,245,656.88 and 500,225.76 is: 690,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,607.84 : 1,245,656.88 = 500,225.76 : x
  2. Step 2: Convert to fraction form
    902,607.84/1,245,656.88 = 500,225.76/x
  3. Step 3: Cross multiply
    902,607.84x = 1,245,656.88 × 500,225.76
  4. Step 4: Simplify right side
    902,607.84x = 623,109,659,497.23
  5. Step 5: Solve for x
    x = 623,109,659,497.23/902,607.84
  6. Step 6: Final answer
    x = 690,343.73

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Double scale
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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.