Home / 750,116.79-1,035,153.10-405,945.16

Finding the Fourth Proportional to 750,116.79, 1,035,153.10 and 405,945.16

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Solution

The fourth proportional to 750,116.79, 1,035,153.10 and 405,945.16 is: 560,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,116.79 : 1,035,153.10 = 405,945.16 : x
  2. Step 2: Convert to fraction form
    750,116.79/1,035,153.10 = 405,945.16/x
  3. Step 3: Cross multiply
    750,116.79x = 1,035,153.10 × 405,945.16
  4. Step 4: Simplify right side
    750,116.79x = 420,215,383,598.51
  5. Step 5: Solve for x
    x = 420,215,383,598.51/750,116.79
  6. Step 6: Final answer
    x = 560,199.95

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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.