Home / 898,099.80-1,347,149.70-579,235.20

Finding the Fourth Proportional to 898,099.80, 1,347,149.70 and 579,235.20

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Solution

The fourth proportional to 898,099.80, 1,347,149.70 and 579,235.20 is: 868,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,099.80 : 1,347,149.70 = 579,235.20 : x
  2. Step 2: Convert to fraction form
    898,099.80/1,347,149.70 = 579,235.20/x
  3. Step 3: Cross multiply
    898,099.80x = 1,347,149.70 × 579,235.20
  4. Step 4: Simplify right side
    898,099.80x = 780,316,525,909.44
  5. Step 5: Solve for x
    x = 780,316,525,909.44/898,099.80
  6. Step 6: Final answer
    x = 868,852.80

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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.