Home / 885,892.01-1,329,031.81-286,913.71

Finding the Fourth Proportional to 885,892.01, 1,329,031.81 and 286,913.71

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Solution

The fourth proportional to 885,892.01, 1,329,031.81 and 286,913.71 is: 430,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,892.01 : 1,329,031.81 = 286,913.71 : x
  2. Step 2: Convert to fraction form
    885,892.01/1,329,031.81 = 286,913.71/x
  3. Step 3: Cross multiply
    885,892.01x = 1,329,031.81 × 286,913.71
  4. Step 4: Simplify right side
    885,892.01x = 381,317,447,315.12
  5. Step 5: Solve for x
    x = 381,317,447,315.12/885,892.01
  6. Step 6: Final answer
    x = 430,433.33

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Double scale
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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.