Home / 885,691.81-1,328,748.52-286,652.97

Finding the Fourth Proportional to 885,691.81, 1,328,748.52 and 286,652.97

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Solution

The fourth proportional to 885,691.81, 1,328,748.52 and 286,652.97 is: 430,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,691.81 : 1,328,748.52 = 286,652.97 : x
  2. Step 2: Convert to fraction form
    885,691.81/1,328,748.52 = 286,652.97/x
  3. Step 3: Cross multiply
    885,691.81x = 1,328,748.52 × 286,652.97
  4. Step 4: Simplify right side
    885,691.81x = 380,889,709,641.10
  5. Step 5: Solve for x
    x = 380,889,709,641.10/885,691.81
  6. Step 6: Final answer
    x = 430,047.68

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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.