Home / 842,846.40-1,163,032.56-498,692.88

Finding the Fourth Proportional to 842,846.40, 1,163,032.56 and 498,692.88

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Solution

The fourth proportional to 842,846.40, 1,163,032.56 and 498,692.88 is: 688,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,846.40 : 1,163,032.56 = 498,692.88 : x
  2. Step 2: Convert to fraction form
    842,846.40/1,163,032.56 = 498,692.88/x
  3. Step 3: Cross multiply
    842,846.40x = 1,163,032.56 × 498,692.88
  4. Step 4: Simplify right side
    842,846.40x = 579,996,056,880.17
  5. Step 5: Solve for x
    x = 579,996,056,880.17/842,846.40
  6. Step 6: Final answer
    x = 688,139.69

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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.