Home / 920,927.76-1,270,918.80-513,029.52

Finding the Fourth Proportional to 920,927.76, 1,270,918.80 and 513,029.52

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Solution

The fourth proportional to 920,927.76, 1,270,918.80 and 513,029.52 is: 708,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,927.76 : 1,270,918.80 = 513,029.52 : x
  2. Step 2: Convert to fraction form
    920,927.76/1,270,918.80 = 513,029.52/x
  3. Step 3: Cross multiply
    920,927.76x = 1,270,918.80 × 513,029.52
  4. Step 4: Simplify right side
    920,927.76x = 652,018,861,922.98
  5. Step 5: Solve for x
    x = 652,018,861,922.98/920,927.76
  6. Step 6: Final answer
    x = 708,002.18

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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.