Home / 776,228.60-1,071,195.32-432,057.12

Finding the Fourth Proportional to 776,228.60, 1,071,195.32 and 432,057.12

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Solution

The fourth proportional to 776,228.60, 1,071,195.32 and 432,057.12 is: 596,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,228.60 : 1,071,195.32 = 432,057.12 : x
  2. Step 2: Convert to fraction form
    776,228.60/1,071,195.32 = 432,057.12/x
  3. Step 3: Cross multiply
    776,228.60x = 1,071,195.32 × 432,057.12
  4. Step 4: Simplify right side
    776,228.60x = 462,817,562,756.39
  5. Step 5: Solve for x
    x = 462,817,562,756.39/776,228.60
  6. Step 6: Final answer
    x = 596,238.74

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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.