Home / 540,220.24-745,501.08-298,519.52

Finding the Fourth Proportional to 540,220.24, 745,501.08 and 298,519.52

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Solution

The fourth proportional to 540,220.24, 745,501.08 and 298,519.52 is: 411,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,220.24 : 745,501.08 = 298,519.52 : x
  2. Step 2: Convert to fraction form
    540,220.24/745,501.08 = 298,519.52/x
  3. Step 3: Cross multiply
    540,220.24x = 745,501.08 × 298,519.52
  4. Step 4: Simplify right side
    540,220.24x = 222,546,624,561.08
  5. Step 5: Solve for x
    x = 222,546,624,561.08/540,220.24
  6. Step 6: Final answer
    x = 411,955.36

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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.