Home / 885,842.17-1,328,974.89-286,803.97

Finding the Fourth Proportional to 885,842.17, 1,328,974.89 and 286,803.97

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Solution

The fourth proportional to 885,842.17, 1,328,974.89 and 286,803.97 is: 430,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,842.17 : 1,328,974.89 = 286,803.97 : x
  2. Step 2: Convert to fraction form
    885,842.17/1,328,974.89 = 286,803.97/x
  3. Step 3: Cross multiply
    885,842.17x = 1,328,974.89 × 286,803.97
  4. Step 4: Simplify right side
    885,842.17x = 381,155,274,482.31
  5. Step 5: Solve for x
    x = 381,155,274,482.31/885,842.17
  6. Step 6: Final answer
    x = 430,274.47

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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.