Home / 912,156.76-1,258,767.72-504,269.08

Finding the Fourth Proportional to 912,156.76, 1,258,767.72 and 504,269.08

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Solution

The fourth proportional to 912,156.76, 1,258,767.72 and 504,269.08 is: 695,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,156.76 : 1,258,767.72 = 504,269.08 : x
  2. Step 2: Convert to fraction form
    912,156.76/1,258,767.72 = 504,269.08/x
  3. Step 3: Cross multiply
    912,156.76x = 1,258,767.72 × 504,269.08
  4. Step 4: Simplify right side
    912,156.76x = 634,757,640,098.10
  5. Step 5: Solve for x
    x = 634,757,640,098.10/912,156.76
  6. Step 6: Final answer
    x = 695,886.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.