Home / 772,410.32-1,065,927.54-432,878.56

Finding the Fourth Proportional to 772,410.32, 1,065,927.54 and 432,878.56

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Solution

The fourth proportional to 772,410.32, 1,065,927.54 and 432,878.56 is: 597,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,410.32 : 1,065,927.54 = 432,878.56 : x
  2. Step 2: Convert to fraction form
    772,410.32/1,065,927.54 = 432,878.56/x
  3. Step 3: Cross multiply
    772,410.32x = 1,065,927.54 × 432,878.56
  4. Step 4: Simplify right side
    772,410.32x = 461,417,178,579.54
  5. Step 5: Solve for x
    x = 461,417,178,579.54/772,410.32
  6. Step 6: Final answer
    x = 597,373.14

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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.