Home / 717,079.40-1,075,619.10-493,130.60

Finding the Fourth Proportional to 717,079.40, 1,075,619.10 and 493,130.60

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Solution

The fourth proportional to 717,079.40, 1,075,619.10 and 493,130.60 is: 739,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,079.40 : 1,075,619.10 = 493,130.60 : x
  2. Step 2: Convert to fraction form
    717,079.40/1,075,619.10 = 493,130.60/x
  3. Step 3: Cross multiply
    717,079.40x = 1,075,619.10 × 493,130.60
  4. Step 4: Simplify right side
    717,079.40x = 530,420,692,154.46
  5. Step 5: Solve for x
    x = 530,420,692,154.46/717,079.40
  6. Step 6: Final answer
    x = 739,695.90

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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.