Home / 768,148.66-1,060,443.72-561,184.94

Finding the Fourth Proportional to 768,148.66, 1,060,443.72 and 561,184.94

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Solution

The fourth proportional to 768,148.66, 1,060,443.72 and 561,184.94 is: 774,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,148.66 : 1,060,443.72 = 561,184.94 : x
  2. Step 2: Convert to fraction form
    768,148.66/1,060,443.72 = 561,184.94/x
  3. Step 3: Cross multiply
    768,148.66x = 1,060,443.72 × 561,184.94
  4. Step 4: Simplify right side
    768,148.66x = 595,105,045,381.58
  5. Step 5: Solve for x
    x = 595,105,045,381.58/768,148.66
  6. Step 6: Final answer
    x = 774,726.40

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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.