Home / 885,862.98-1,329,005.64-286,824.31

Finding the Fourth Proportional to 885,862.98, 1,329,005.64 and 286,824.31

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Solution

The fourth proportional to 885,862.98, 1,329,005.64 and 286,824.31 is: 430,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,862.98 : 1,329,005.64 = 286,824.31 : x
  2. Step 2: Convert to fraction form
    885,862.98/1,329,005.64 = 286,824.31/x
  3. Step 3: Cross multiply
    885,862.98x = 1,329,005.64 × 286,824.31
  4. Step 4: Simplify right side
    885,862.98x = 381,191,123,432.19
  5. Step 5: Solve for x
    x = 381,191,123,432.19/885,862.98
  6. Step 6: Final answer
    x = 430,304.83

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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.