Home / 885,865.94-1,329,010.59-286,827.74

Finding the Fourth Proportional to 885,865.94, 1,329,010.59 and 286,827.74

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Solution

The fourth proportional to 885,865.94, 1,329,010.59 and 286,827.74 is: 430,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,865.94 : 1,329,010.59 = 286,827.74 : x
  2. Step 2: Convert to fraction form
    885,865.94/1,329,010.59 = 286,827.74/x
  3. Step 3: Cross multiply
    885,865.94x = 1,329,010.59 × 286,827.74
  4. Step 4: Simplify right side
    885,865.94x = 381,197,103,965.77
  5. Step 5: Solve for x
    x = 381,197,103,965.77/885,865.94
  6. Step 6: Final answer
    x = 430,310.15

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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.