Home / 776,280.06-1,071,173.16-432,029.88

Finding the Fourth Proportional to 776,280.06, 1,071,173.16 and 432,029.88

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Solution

The fourth proportional to 776,280.06, 1,071,173.16 and 432,029.88 is: 596,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,280.06 : 1,071,173.16 = 432,029.88 : x
  2. Step 2: Convert to fraction form
    776,280.06/1,071,173.16 = 432,029.88/x
  3. Step 3: Cross multiply
    776,280.06x = 1,071,173.16 × 432,029.88
  4. Step 4: Simplify right side
    776,280.06x = 462,778,811,774.02
  5. Step 5: Solve for x
    x = 462,778,811,774.02/776,280.06
  6. Step 6: Final answer
    x = 596,149.30

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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.