Home / 885,588.05-1,328,283.65-316,946.18

Finding the Fourth Proportional to 885,588.05, 1,328,283.65 and 316,946.18

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Solution

The fourth proportional to 885,588.05, 1,328,283.65 and 316,946.18 is: 475,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,588.05 : 1,328,283.65 = 316,946.18 : x
  2. Step 2: Convert to fraction form
    885,588.05/1,328,283.65 = 316,946.18/x
  3. Step 3: Cross multiply
    885,588.05x = 1,328,283.65 × 316,946.18
  4. Step 4: Simplify right side
    885,588.05x = 420,994,428,823.96
  5. Step 5: Solve for x
    x = 420,994,428,823.96/885,588.05
  6. Step 6: Final answer
    x = 475,384.04

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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.