Home / 763,364.19-1,143,302.25-364,285.20

Finding the Fourth Proportional to 763,364.19, 1,143,302.25 and 364,285.20

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Solution

The fourth proportional to 763,364.19, 1,143,302.25 and 364,285.20 is: 545,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,364.19 : 1,143,302.25 = 364,285.20 : x
  2. Step 2: Convert to fraction form
    763,364.19/1,143,302.25 = 364,285.20/x
  3. Step 3: Cross multiply
    763,364.19x = 1,143,302.25 × 364,285.20
  4. Step 4: Simplify right side
    763,364.19x = 416,488,088,801.70
  5. Step 5: Solve for x
    x = 416,488,088,801.70/763,364.19
  6. Step 6: Final answer
    x = 545,595.53

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1.5x scale

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.