Home / 724,277.16-999,549.19-401,987.28

Finding the Fourth Proportional to 724,277.16, 999,549.19 and 401,987.28

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Solution

The fourth proportional to 724,277.16, 999,549.19 and 401,987.28 is: 554,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,277.16 : 999,549.19 = 401,987.28 : x
  2. Step 2: Convert to fraction form
    724,277.16/999,549.19 = 401,987.28/x
  3. Step 3: Cross multiply
    724,277.16x = 999,549.19 × 401,987.28
  4. Step 4: Simplify right side
    724,277.16x = 401,806,060,114.30
  5. Step 5: Solve for x
    x = 401,806,060,114.30/724,277.16
  6. Step 6: Final answer
    x = 554,768.37

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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.