Home / 700,426.56-1,050,743.52-257,160

Finding the Fourth Proportional to 700,426.56, 1,050,743.52 and 257,160

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Solution

The fourth proportional to 700,426.56, 1,050,743.52 and 257,160 is: 385,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,426.56 : 1,050,743.52 = 257,160 : x
  2. Step 2: Convert to fraction form
    700,426.56/1,050,743.52 = 257,160/x
  3. Step 3: Cross multiply
    700,426.56x = 1,050,743.52 × 257,160
  4. Step 4: Simplify right side
    700,426.56x = 270,209,203,603.20
  5. Step 5: Solve for x
    x = 270,209,203,603.20/700,426.56
  6. Step 6: Final answer
    x = 385,778.07

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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.