Home / 885,892.71-1,329,032.88-286,914.42

Finding the Fourth Proportional to 885,892.71, 1,329,032.88 and 286,914.42

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Solution

The fourth proportional to 885,892.71, 1,329,032.88 and 286,914.42 is: 430,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,892.71 : 1,329,032.88 = 286,914.42 : x
  2. Step 2: Convert to fraction form
    885,892.71/1,329,032.88 = 286,914.42/x
  3. Step 3: Cross multiply
    885,892.71x = 1,329,032.88 × 286,914.42
  4. Step 4: Simplify right side
    885,892.71x = 381,318,697,926.13
  5. Step 5: Solve for x
    x = 381,318,697,926.13/885,892.71
  6. Step 6: Final answer
    x = 430,434.40

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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.