Home / 855,167.95-1,180,256.97-492,521.23

Finding the Fourth Proportional to 855,167.95, 1,180,256.97 and 492,521.23

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Solution

The fourth proportional to 855,167.95, 1,180,256.97 and 492,521.23 is: 679,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,167.95 : 1,180,256.97 = 492,521.23 : x
  2. Step 2: Convert to fraction form
    855,167.95/1,180,256.97 = 492,521.23/x
  3. Step 3: Cross multiply
    855,167.95x = 1,180,256.97 × 492,521.23
  4. Step 4: Simplify right side
    855,167.95x = 581,301,614,580.47
  5. Step 5: Solve for x
    x = 581,301,614,580.47/855,167.95
  6. Step 6: Final answer
    x = 679,751.40

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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.