Home / 771,075.38-1,063,957.05-484,392.42

Finding the Fourth Proportional to 771,075.38, 1,063,957.05 and 484,392.42

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Solution

The fourth proportional to 771,075.38, 1,063,957.05 and 484,392.42 is: 668,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,075.38 : 1,063,957.05 = 484,392.42 : x
  2. Step 2: Convert to fraction form
    771,075.38/1,063,957.05 = 484,392.42/x
  3. Step 3: Cross multiply
    771,075.38x = 1,063,957.05 × 484,392.42
  4. Step 4: Simplify right side
    771,075.38x = 515,372,730,225.56
  5. Step 5: Solve for x
    x = 515,372,730,225.56/771,075.38
  6. Step 6: Final answer
    x = 668,381.77

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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.