Home / 563,442.06-777,545.56-308,792.64

Finding the Fourth Proportional to 563,442.06, 777,545.56 and 308,792.64

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Solution

The fourth proportional to 563,442.06, 777,545.56 and 308,792.64 is: 426,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,442.06 : 777,545.56 = 308,792.64 : x
  2. Step 2: Convert to fraction form
    563,442.06/777,545.56 = 308,792.64/x
  3. Step 3: Cross multiply
    563,442.06x = 777,545.56 × 308,792.64
  4. Step 4: Simplify right side
    563,442.06x = 240,100,346,192.68
  5. Step 5: Solve for x
    x = 240,100,346,192.68/563,442.06
  6. Step 6: Final answer
    x = 426,131.39

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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.