Home / 776,207.80-1,071,138.90-432,032.32

Finding the Fourth Proportional to 776,207.80, 1,071,138.90 and 432,032.32

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Solution

The fourth proportional to 776,207.80, 1,071,138.90 and 432,032.32 is: 596,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,207.80 : 1,071,138.90 = 432,032.32 : x
  2. Step 2: Convert to fraction form
    776,207.80/1,071,138.90 = 432,032.32/x
  3. Step 3: Cross multiply
    776,207.80x = 1,071,138.90 × 432,032.32
  4. Step 4: Simplify right side
    776,207.80x = 462,766,624,009.25
  5. Step 5: Solve for x
    x = 462,766,624,009.25/776,207.80
  6. Step 6: Final answer
    x = 596,189.09

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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.