Home / 815,947.32-1,223,588.84-366,547.48

Finding the Fourth Proportional to 815,947.32, 1,223,588.84 and 366,547.48

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Solution

The fourth proportional to 815,947.32, 1,223,588.84 and 366,547.48 is: 549,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,947.32 : 1,223,588.84 = 366,547.48 : x
  2. Step 2: Convert to fraction form
    815,947.32/1,223,588.84 = 366,547.48/x
  3. Step 3: Cross multiply
    815,947.32x = 1,223,588.84 × 366,547.48
  4. Step 4: Simplify right side
    815,947.32x = 448,503,400,966.41
  5. Step 5: Solve for x
    x = 448,503,400,966.41/815,947.32
  6. Step 6: Final answer
    x = 549,672.00

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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.