Home / 803,528.28-1,108,900.95-440,965.20

Finding the Fourth Proportional to 803,528.28, 1,108,900.95 and 440,965.20

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Solution

The fourth proportional to 803,528.28, 1,108,900.95 and 440,965.20 is: 608,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,528.28 : 1,108,900.95 = 440,965.20 : x
  2. Step 2: Convert to fraction form
    803,528.28/1,108,900.95 = 440,965.20/x
  3. Step 3: Cross multiply
    803,528.28x = 1,108,900.95 × 440,965.20
  4. Step 4: Simplify right side
    803,528.28x = 488,986,721,447.61
  5. Step 5: Solve for x
    x = 488,986,721,447.61/803,528.28
  6. Step 6: Final answer
    x = 608,549.49

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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.