Home / 908,945.10-1,363,417.65-277,776.90

Finding the Fourth Proportional to 908,945.10, 1,363,417.65 and 277,776.90

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Solution

The fourth proportional to 908,945.10, 1,363,417.65 and 277,776.90 is: 416,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,945.10 : 1,363,417.65 = 277,776.90 : x
  2. Step 2: Convert to fraction form
    908,945.10/1,363,417.65 = 277,776.90/x
  3. Step 3: Cross multiply
    908,945.10x = 1,363,417.65 × 277,776.90
  4. Step 4: Simplify right side
    908,945.10x = 378,725,928,222.29
  5. Step 5: Solve for x
    x = 378,725,928,222.29/908,945.10
  6. Step 6: Final answer
    x = 416,665.35

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Double scale
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Similar ratio
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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.