Home / 885,501.32-1,328,959.71-459,158.63

Finding the Fourth Proportional to 885,501.32, 1,328,959.71 and 459,158.63

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Solution

The fourth proportional to 885,501.32, 1,328,959.71 and 459,158.63 is: 689,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,501.32 : 1,328,959.71 = 459,158.63 : x
  2. Step 2: Convert to fraction form
    885,501.32/1,328,959.71 = 459,158.63/x
  3. Step 3: Cross multiply
    885,501.32x = 1,328,959.71 × 459,158.63
  4. Step 4: Simplify right side
    885,501.32x = 610,203,313,124.00
  5. Step 5: Solve for x
    x = 610,203,313,124.00/885,501.32
  6. Step 6: Final answer
    x = 689,104.92

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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.