Home / 563,558.15-777,740.06-308,920.07

Finding the Fourth Proportional to 563,558.15, 777,740.06 and 308,920.07

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Solution

The fourth proportional to 563,558.15, 777,740.06 and 308,920.07 is: 426,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,558.15 : 777,740.06 = 308,920.07 : x
  2. Step 2: Convert to fraction form
    563,558.15/777,740.06 = 308,920.07/x
  3. Step 3: Cross multiply
    563,558.15x = 777,740.06 × 308,920.07
  4. Step 4: Simplify right side
    563,558.15x = 240,259,513,777.00
  5. Step 5: Solve for x
    x = 240,259,513,777.00/563,558.15
  6. Step 6: Final answer
    x = 426,326.04

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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.