Home / 717,648.88-1,075,458.42-397,941.58

Finding the Fourth Proportional to 717,648.88, 1,075,458.42 and 397,941.58

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Solution

The fourth proportional to 717,648.88, 1,075,458.42 and 397,941.58 is: 596,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,648.88 : 1,075,458.42 = 397,941.58 : x
  2. Step 2: Convert to fraction form
    717,648.88/1,075,458.42 = 397,941.58/x
  3. Step 3: Cross multiply
    717,648.88x = 1,075,458.42 × 397,941.58
  4. Step 4: Simplify right side
    717,648.88x = 427,969,622,879.10
  5. Step 5: Solve for x
    x = 427,969,622,879.10/717,648.88
  6. Step 6: Final answer
    x = 596,349.60

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1.5x scale

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.