Home / 717,763.76-1,075,630.68-398,056.88

Finding the Fourth Proportional to 717,763.76, 1,075,630.68 and 398,056.88

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Solution

The fourth proportional to 717,763.76, 1,075,630.68 and 398,056.88 is: 596,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,763.76 : 1,075,630.68 = 398,056.88 : x
  2. Step 2: Convert to fraction form
    717,763.76/1,075,630.68 = 398,056.88/x
  3. Step 3: Cross multiply
    717,763.76x = 1,075,630.68 × 398,056.88
  4. Step 4: Simplify right side
    717,763.76x = 428,162,192,513.08
  5. Step 5: Solve for x
    x = 428,162,192,513.08/717,763.76
  6. Step 6: Final answer
    x = 596,522.44

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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.