Home / 876,847.80-1,315,271.70-577,666.20

Finding the Fourth Proportional to 876,847.80, 1,315,271.70 and 577,666.20

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Solution

The fourth proportional to 876,847.80, 1,315,271.70 and 577,666.20 is: 866,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,847.80 : 1,315,271.70 = 577,666.20 : x
  2. Step 2: Convert to fraction form
    876,847.80/1,315,271.70 = 577,666.20/x
  3. Step 3: Cross multiply
    876,847.80x = 1,315,271.70 × 577,666.20
  4. Step 4: Simplify right side
    876,847.80x = 759,788,004,906.54
  5. Step 5: Solve for x
    x = 759,788,004,906.54/876,847.80
  6. Step 6: Final answer
    x = 866,499.30

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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.