Home / 776,112.42-1,071,024.45-431,948.25

Finding the Fourth Proportional to 776,112.42, 1,071,024.45 and 431,948.25

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Solution

The fourth proportional to 776,112.42, 1,071,024.45 and 431,948.25 is: 596,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,112.42 : 1,071,024.45 = 431,948.25 : x
  2. Step 2: Convert to fraction form
    776,112.42/1,071,024.45 = 431,948.25/x
  3. Step 3: Cross multiply
    776,112.42x = 1,071,024.45 × 431,948.25
  4. Step 4: Simplify right side
    776,112.42x = 462,627,136,884.71
  5. Step 5: Solve for x
    x = 462,627,136,884.71/776,112.42
  6. Step 6: Final answer
    x = 596,082.64

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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.