Home / 758,886.06-1,047,263.13-419,354.30

Finding the Fourth Proportional to 758,886.06, 1,047,263.13 and 419,354.30

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Solution

The fourth proportional to 758,886.06, 1,047,263.13 and 419,354.30 is: 578,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,886.06 : 1,047,263.13 = 419,354.30 : x
  2. Step 2: Convert to fraction form
    758,886.06/1,047,263.13 = 419,354.30/x
  3. Step 3: Cross multiply
    758,886.06x = 1,047,263.13 × 419,354.30
  4. Step 4: Simplify right side
    758,886.06x = 439,174,296,796.96
  5. Step 5: Solve for x
    x = 439,174,296,796.96/758,886.06
  6. Step 6: Final answer
    x = 578,709.14

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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.