Home / 717,166.18-1,075,406.16-417,732.10

Finding the Fourth Proportional to 717,166.18, 1,075,406.16 and 417,732.10

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Solution

The fourth proportional to 717,166.18, 1,075,406.16 and 417,732.10 is: 626,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,166.18 : 1,075,406.16 = 417,732.10 : x
  2. Step 2: Convert to fraction form
    717,166.18/1,075,406.16 = 417,732.10/x
  3. Step 3: Cross multiply
    717,166.18x = 1,075,406.16 × 417,732.10
  4. Step 4: Simplify right side
    717,166.18x = 449,231,673,569.74
  5. Step 5: Solve for x
    x = 449,231,673,569.74/717,166.18
  6. Step 6: Final answer
    x = 626,398.30

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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.