Home / 839,650.68-1,158,719.70-549,461.30

Finding the Fourth Proportional to 839,650.68, 1,158,719.70 and 549,461.30

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Solution

The fourth proportional to 839,650.68, 1,158,719.70 and 549,461.30 is: 758,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,650.68 : 1,158,719.70 = 549,461.30 : x
  2. Step 2: Convert to fraction form
    839,650.68/1,158,719.70 = 549,461.30/x
  3. Step 3: Cross multiply
    839,650.68x = 1,158,719.70 × 549,461.30
  4. Step 4: Simplify right side
    839,650.68x = 636,671,632,697.61
  5. Step 5: Solve for x
    x = 636,671,632,697.61/839,650.68
  6. Step 6: Final answer
    x = 758,257.75

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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.