Home / 772,242.02-1,065,694.32-470,436.02

Finding the Fourth Proportional to 772,242.02, 1,065,694.32 and 470,436.02

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Solution

The fourth proportional to 772,242.02, 1,065,694.32 and 470,436.02 is: 649,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,242.02 : 1,065,694.32 = 470,436.02 : x
  2. Step 2: Convert to fraction form
    772,242.02/1,065,694.32 = 470,436.02/x
  3. Step 3: Cross multiply
    772,242.02x = 1,065,694.32 × 470,436.02
  4. Step 4: Simplify right side
    772,242.02x = 501,340,994,437.41
  5. Step 5: Solve for x
    x = 501,340,994,437.41/772,242.02
  6. Step 6: Final answer
    x = 649,201.91

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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.