Home / 885,359.70-1,328,112.54-286,417.08

Finding the Fourth Proportional to 885,359.70, 1,328,112.54 and 286,417.08

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Solution

The fourth proportional to 885,359.70, 1,328,112.54 and 286,417.08 is: 429,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,359.70 : 1,328,112.54 = 286,417.08 : x
  2. Step 2: Convert to fraction form
    885,359.70/1,328,112.54 = 286,417.08/x
  3. Step 3: Cross multiply
    885,359.70x = 1,328,112.54 × 286,417.08
  4. Step 4: Simplify right side
    885,359.70x = 380,394,115,618.18
  5. Step 5: Solve for x
    x = 380,394,115,618.18/885,359.70
  6. Step 6: Final answer
    x = 429,649.23

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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.