Home / 745,095.60-1,117,686.60-212,655.60

Finding the Fourth Proportional to 745,095.60, 1,117,686.60 and 212,655.60

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Solution

The fourth proportional to 745,095.60, 1,117,686.60 and 212,655.60 is: 318,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,095.60 : 1,117,686.60 = 212,655.60 : x
  2. Step 2: Convert to fraction form
    745,095.60/1,117,686.60 = 212,655.60/x
  3. Step 3: Cross multiply
    745,095.60x = 1,117,686.60 × 212,655.60
  4. Step 4: Simplify right side
    745,095.60x = 237,682,314,534.96
  5. Step 5: Solve for x
    x = 237,682,314,534.96/745,095.60
  6. Step 6: Final answer
    x = 318,995.73

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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.