Home / 842,854.40-1,163,043.60-498,700.88

Finding the Fourth Proportional to 842,854.40, 1,163,043.60 and 498,700.88

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Solution

The fourth proportional to 842,854.40, 1,163,043.60 and 498,700.88 is: 688,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,854.40 : 1,163,043.60 = 498,700.88 : x
  2. Step 2: Convert to fraction form
    842,854.40/1,163,043.60 = 498,700.88/x
  3. Step 3: Cross multiply
    842,854.40x = 1,163,043.60 × 498,700.88
  4. Step 4: Simplify right side
    842,854.40x = 580,010,866,798.37
  5. Step 5: Solve for x
    x = 580,010,866,798.37/842,854.40
  6. Step 6: Final answer
    x = 688,150.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.