Home / 885,872.59-1,329,020.55-286,834.41

Finding the Fourth Proportional to 885,872.59, 1,329,020.55 and 286,834.41

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Solution

The fourth proportional to 885,872.59, 1,329,020.55 and 286,834.41 is: 430,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,872.59 : 1,329,020.55 = 286,834.41 : x
  2. Step 2: Convert to fraction form
    885,872.59/1,329,020.55 = 286,834.41/x
  3. Step 3: Cross multiply
    885,872.59x = 1,329,020.55 × 286,834.41
  4. Step 4: Simplify right side
    885,872.59x = 381,208,826,054.21
  5. Step 5: Solve for x
    x = 381,208,826,054.21/885,872.59
  6. Step 6: Final answer
    x = 430,320.15

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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.