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Finding the Fourth Proportional to 902,316.53, 1,245,114 and 520,269.50

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Solution

The fourth proportional to 902,316.53, 1,245,114 and 520,269.50 is: 717,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,316.53 : 1,245,114 = 520,269.50 : x
  2. Step 2: Convert to fraction form
    902,316.53/1,245,114 = 520,269.50/x
  3. Step 3: Cross multiply
    902,316.53x = 1,245,114 × 520,269.50
  4. Step 4: Simplify right side
    902,316.53x = 647,794,841,335.79
  5. Step 5: Solve for x
    x = 647,794,841,335.79/902,316.53
  6. Step 6: Final answer
    x = 717,924.16

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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.