Home / 920,045.80-1,269,606.18-538,049.80

Finding the Fourth Proportional to 920,045.80, 1,269,606.18 and 538,049.80

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Solution

The fourth proportional to 920,045.80, 1,269,606.18 and 538,049.80 is: 742,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,045.80 : 1,269,606.18 = 538,049.80 : x
  2. Step 2: Convert to fraction form
    920,045.80/1,269,606.18 = 538,049.80/x
  3. Step 3: Cross multiply
    920,045.80x = 1,269,606.18 × 538,049.80
  4. Step 4: Simplify right side
    920,045.80x = 683,111,351,227.76
  5. Step 5: Solve for x
    x = 683,111,351,227.76/920,045.80
  6. Step 6: Final answer
    x = 742,475.38

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Double scale
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1.5x scale

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.