Home / 912,616.18-1,369,018.18-344,475.84

Finding the Fourth Proportional to 912,616.18, 1,369,018.18 and 344,475.84

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Solution

The fourth proportional to 912,616.18, 1,369,018.18 and 344,475.84 is: 516,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,616.18 : 1,369,018.18 = 344,475.84 : x
  2. Step 2: Convert to fraction form
    912,616.18/1,369,018.18 = 344,475.84/x
  3. Step 3: Cross multiply
    912,616.18x = 1,369,018.18 × 344,475.84
  4. Step 4: Simplify right side
    912,616.18x = 471,593,687,530.77
  5. Step 5: Solve for x
    x = 471,593,687,530.77/912,616.18
  6. Step 6: Final answer
    x = 516,749.21

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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.