Home / 513,815.16-708,828.30-332,585.40

Finding the Fourth Proportional to 513,815.16, 708,828.30 and 332,585.40

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Solution

The fourth proportional to 513,815.16, 708,828.30 and 332,585.40 is: 458,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,815.16 : 708,828.30 = 332,585.40 : x
  2. Step 2: Convert to fraction form
    513,815.16/708,828.30 = 332,585.40/x
  3. Step 3: Cross multiply
    513,815.16x = 708,828.30 × 332,585.40
  4. Step 4: Simplify right side
    513,815.16x = 235,745,943,686.82
  5. Step 5: Solve for x
    x = 235,745,943,686.82/513,815.16
  6. Step 6: Final answer
    x = 458,814.69

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1.5x scale

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.