Home / 912,277.55-1,368,609.51-272,631.08

Finding the Fourth Proportional to 912,277.55, 1,368,609.51 and 272,631.08

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Solution

The fourth proportional to 912,277.55, 1,368,609.51 and 272,631.08 is: 409,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,277.55 : 1,368,609.51 = 272,631.08 : x
  2. Step 2: Convert to fraction form
    912,277.55/1,368,609.51 = 272,631.08/x
  3. Step 3: Cross multiply
    912,277.55x = 1,368,609.51 × 272,631.08
  4. Step 4: Simplify right side
    912,277.55x = 373,125,493,253.46
  5. Step 5: Solve for x
    x = 373,125,493,253.46/912,277.55
  6. Step 6: Final answer
    x = 409,004.36

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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.