Home / 457,085.40-630,834.24-275,901.36

Finding the Fourth Proportional to 457,085.40, 630,834.24 and 275,901.36

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Solution

The fourth proportional to 457,085.40, 630,834.24 and 275,901.36 is: 380,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,085.40 : 630,834.24 = 275,901.36 : x
  2. Step 2: Convert to fraction form
    457,085.40/630,834.24 = 275,901.36/x
  3. Step 3: Cross multiply
    457,085.40x = 630,834.24 × 275,901.36
  4. Step 4: Simplify right side
    457,085.40x = 174,048,024,750.57
  5. Step 5: Solve for x
    x = 174,048,024,750.57/457,085.40
  6. Step 6: Final answer
    x = 380,777.91

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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.