Home / 901,237.79-1,243,623.08-538,589.45

Finding the Fourth Proportional to 901,237.79, 1,243,623.08 and 538,589.45

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Solution

The fourth proportional to 901,237.79, 1,243,623.08 and 538,589.45 is: 743,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,237.79 : 1,243,623.08 = 538,589.45 : x
  2. Step 2: Convert to fraction form
    901,237.79/1,243,623.08 = 538,589.45/x
  3. Step 3: Cross multiply
    901,237.79x = 1,243,623.08 × 538,589.45
  4. Step 4: Simplify right side
    901,237.79x = 669,802,265,792.86
  5. Step 5: Solve for x
    x = 669,802,265,792.86/901,237.79
  6. Step 6: Final answer
    x = 743,202.60

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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.