Home / 913,703.76-1,370,129.16-344,646.36

Finding the Fourth Proportional to 913,703.76, 1,370,129.16 and 344,646.36

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Solution

The fourth proportional to 913,703.76, 1,370,129.16 and 344,646.36 is: 516,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,703.76 : 1,370,129.16 = 344,646.36 : x
  2. Step 2: Convert to fraction form
    913,703.76/1,370,129.16 = 344,646.36/x
  3. Step 3: Cross multiply
    913,703.76x = 1,370,129.16 × 344,646.36
  4. Step 4: Simplify right side
    913,703.76x = 472,210,027,723.86
  5. Step 5: Solve for x
    x = 472,210,027,723.86/913,703.76
  6. Step 6: Final answer
    x = 516,808.67

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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.