Home / 758,929.96-1,047,234.16-419,377.96

Finding the Fourth Proportional to 758,929.96, 1,047,234.16 and 419,377.96

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Solution

The fourth proportional to 758,929.96, 1,047,234.16 and 419,377.96 is: 578,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,929.96 : 1,047,234.16 = 419,377.96 : x
  2. Step 2: Convert to fraction form
    758,929.96/1,047,234.16 = 419,377.96/x
  3. Step 3: Cross multiply
    758,929.96x = 1,047,234.16 × 419,377.96
  4. Step 4: Simplify right side
    758,929.96x = 439,186,925,663.11
  5. Step 5: Solve for x
    x = 439,186,925,663.11/758,929.96
  6. Step 6: Final answer
    x = 578,692.30

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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.