Home / 713,439.36-1,070,217.36-358,270.56

Finding the Fourth Proportional to 713,439.36, 1,070,217.36 and 358,270.56

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Solution

The fourth proportional to 713,439.36, 1,070,217.36 and 358,270.56 is: 537,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,439.36 : 1,070,217.36 = 358,270.56 : x
  2. Step 2: Convert to fraction form
    713,439.36/1,070,217.36 = 358,270.56/x
  3. Step 3: Cross multiply
    713,439.36x = 1,070,217.36 × 358,270.56
  4. Step 4: Simplify right side
    713,439.36x = 383,427,372,888.92
  5. Step 5: Solve for x
    x = 383,427,372,888.92/713,439.36
  6. Step 6: Final answer
    x = 537,435.13

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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.