Home / 898,681.44-1,240,190.24-490,795.27

Finding the Fourth Proportional to 898,681.44, 1,240,190.24 and 490,795.27

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Solution

The fourth proportional to 898,681.44, 1,240,190.24 and 490,795.27 is: 677,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,681.44 : 1,240,190.24 = 490,795.27 : x
  2. Step 2: Convert to fraction form
    898,681.44/1,240,190.24 = 490,795.27/x
  3. Step 3: Cross multiply
    898,681.44x = 1,240,190.24 × 490,795.27
  4. Step 4: Simplify right side
    898,681.44x = 608,679,503,692.17
  5. Step 5: Solve for x
    x = 608,679,503,692.17/898,681.44
  6. Step 6: Final answer
    x = 677,302.85

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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.