Home / 905,368.89-1,358,263.68-265,646.79

Finding the Fourth Proportional to 905,368.89, 1,358,263.68 and 265,646.79

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Solution

The fourth proportional to 905,368.89, 1,358,263.68 and 265,646.79 is: 398,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,368.89 : 1,358,263.68 = 265,646.79 : x
  2. Step 2: Convert to fraction form
    905,368.89/1,358,263.68 = 265,646.79/x
  3. Step 3: Cross multiply
    905,368.89x = 1,358,263.68 × 265,646.79
  4. Step 4: Simplify right side
    905,368.89x = 360,818,386,565.59
  5. Step 5: Solve for x
    x = 360,818,386,565.59/905,368.89
  6. Step 6: Final answer
    x = 398,531.90

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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.