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Finding the Fourth Proportional to 610,519.36, 915,720.64 and 373,740.16

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Solution

The fourth proportional to 610,519.36, 915,720.64 and 373,740.16 is: 560,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,519.36 : 915,720.64 = 373,740.16 : x
  2. Step 2: Convert to fraction form
    610,519.36/915,720.64 = 373,740.16/x
  3. Step 3: Cross multiply
    610,519.36x = 915,720.64 × 373,740.16
  4. Step 4: Simplify right side
    610,519.36x = 342,241,578,508.90
  5. Step 5: Solve for x
    x = 342,241,578,508.90/610,519.36
  6. Step 6: Final answer
    x = 560,574.49

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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.