Home / 920,320.38-1,270,030-533,188.58

Finding the Fourth Proportional to 920,320.38, 1,270,030 and 533,188.58

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Solution

The fourth proportional to 920,320.38, 1,270,030 and 533,188.58 is: 735,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,320.38 : 1,270,030 = 533,188.58 : x
  2. Step 2: Convert to fraction form
    920,320.38/1,270,030 = 533,188.58/x
  3. Step 3: Cross multiply
    920,320.38x = 1,270,030 × 533,188.58
  4. Step 4: Simplify right side
    920,320.38x = 677,165,492,257.40
  5. Step 5: Solve for x
    x = 677,165,492,257.40/920,320.38
  6. Step 6: Final answer
    x = 735,793.22

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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.