Home / 1,103,340.30-1,655,010.09-355,386.30

Finding the Fourth Proportional to 1,103,340.30, 1,655,010.09 and 355,386.30

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Solution

The fourth proportional to 1,103,340.30, 1,655,010.09 and 355,386.30 is: 533,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,340.30 : 1,655,010.09 = 355,386.30 : x
  2. Step 2: Convert to fraction form
    1,103,340.30/1,655,010.09 = 355,386.30/x
  3. Step 3: Cross multiply
    1,103,340.30x = 1,655,010.09 × 355,386.30
  4. Step 4: Simplify right side
    1,103,340.30x = 588,167,912,347.77
  5. Step 5: Solve for x
    x = 588,167,912,347.77/1,103,340.30
  6. Step 6: Final answer
    x = 533,079.33

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Double scale
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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.