Home / 912,255.93-1,368,577.08-272,609.46

Finding the Fourth Proportional to 912,255.93, 1,368,577.08 and 272,609.46

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Solution

The fourth proportional to 912,255.93, 1,368,577.08 and 272,609.46 is: 408,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,255.93 : 1,368,577.08 = 272,609.46 : x
  2. Step 2: Convert to fraction form
    912,255.93/1,368,577.08 = 272,609.46/x
  3. Step 3: Cross multiply
    912,255.93x = 1,368,577.08 × 272,609.46
  4. Step 4: Simplify right side
    912,255.93x = 373,087,058,747.18
  5. Step 5: Solve for x
    x = 373,087,058,747.18/912,255.93
  6. Step 6: Final answer
    x = 408,971.92

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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.