Home / 803,382.28-1,108,666.98-440,808.28

Finding the Fourth Proportional to 803,382.28, 1,108,666.98 and 440,808.28

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Solution

The fourth proportional to 803,382.28, 1,108,666.98 and 440,808.28 is: 608,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,382.28 : 1,108,666.98 = 440,808.28 : x
  2. Step 2: Convert to fraction form
    803,382.28/1,108,666.98 = 440,808.28/x
  3. Step 3: Cross multiply
    803,382.28x = 1,108,666.98 × 440,808.28
  4. Step 4: Simplify right side
    803,382.28x = 488,709,584,546.59
  5. Step 5: Solve for x
    x = 488,709,584,546.59/803,382.28
  6. Step 6: Final answer
    x = 608,315.12

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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.