Home / 563,029.12-776,995.30-317,994.22

Finding the Fourth Proportional to 563,029.12, 776,995.30 and 317,994.22

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Solution

The fourth proportional to 563,029.12, 776,995.30 and 317,994.22 is: 438,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,029.12 : 776,995.30 = 317,994.22 : x
  2. Step 2: Convert to fraction form
    563,029.12/776,995.30 = 317,994.22/x
  3. Step 3: Cross multiply
    563,029.12x = 776,995.30 × 317,994.22
  4. Step 4: Simplify right side
    563,029.12x = 247,080,014,367.17
  5. Step 5: Solve for x
    x = 247,080,014,367.17/563,029.12
  6. Step 6: Final answer
    x = 438,840.56

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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.