Home / 707,036.16-1,059,925.60-257,672.64

Finding the Fourth Proportional to 707,036.16, 1,059,925.60 and 257,672.64

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Solution

The fourth proportional to 707,036.16, 1,059,925.60 and 257,672.64 is: 386,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,036.16 : 1,059,925.60 = 257,672.64 : x
  2. Step 2: Convert to fraction form
    707,036.16/1,059,925.60 = 257,672.64/x
  3. Step 3: Cross multiply
    707,036.16x = 1,059,925.60 × 257,672.64
  4. Step 4: Simplify right side
    707,036.16x = 273,113,827,555.58
  5. Step 5: Solve for x
    x = 273,113,827,555.58/707,036.16
  6. Step 6: Final answer
    x = 386,279.86

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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.