Home / 740,065.96-1,110,541.80-319,341.82

Finding the Fourth Proportional to 740,065.96, 1,110,541.80 and 319,341.82

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Solution

The fourth proportional to 740,065.96, 1,110,541.80 and 319,341.82 is: 479,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,065.96 : 1,110,541.80 = 319,341.82 : x
  2. Step 2: Convert to fraction form
    740,065.96/1,110,541.80 = 319,341.82/x
  3. Step 3: Cross multiply
    740,065.96x = 1,110,541.80 × 319,341.82
  4. Step 4: Simplify right side
    740,065.96x = 354,642,439,598.08
  5. Step 5: Solve for x
    x = 354,642,439,598.08/740,065.96
  6. Step 6: Final answer
    x = 479,203.83

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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.