Home / 717,165.18-1,075,404.66-417,731.10

Finding the Fourth Proportional to 717,165.18, 1,075,404.66 and 417,731.10

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Solution

The fourth proportional to 717,165.18, 1,075,404.66 and 417,731.10 is: 626,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,165.18 : 1,075,404.66 = 417,731.10 : x
  2. Step 2: Convert to fraction form
    717,165.18/1,075,404.66 = 417,731.10/x
  3. Step 3: Cross multiply
    717,165.18x = 1,075,404.66 × 417,731.10
  4. Step 4: Simplify right side
    717,165.18x = 449,229,971,566.93
  5. Step 5: Solve for x
    x = 449,229,971,566.93/717,165.18
  6. Step 6: Final answer
    x = 626,396.80

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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.