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Finding the Fourth Proportional to 577,448.84, 866,320.86 and 240,377.42

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Solution

The fourth proportional to 577,448.84, 866,320.86 and 240,377.42 is: 360,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,448.84 : 866,320.86 = 240,377.42 : x
  2. Step 2: Convert to fraction form
    577,448.84/866,320.86 = 240,377.42/x
  3. Step 3: Cross multiply
    577,448.84x = 866,320.86 × 240,377.42
  4. Step 4: Simplify right side
    577,448.84x = 208,243,973,218.98
  5. Step 5: Solve for x
    x = 208,243,973,218.98/577,448.84
  6. Step 6: Final answer
    x = 360,627.57

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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.