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Finding the Fourth Proportional to 563,607, 777,831.45 and 321,925.68

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Solution

The fourth proportional to 563,607, 777,831.45 and 321,925.68 is: 444,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,607 : 777,831.45 = 321,925.68 : x
  2. Step 2: Convert to fraction form
    563,607/777,831.45 = 321,925.68/x
  3. Step 3: Cross multiply
    563,607x = 777,831.45 × 321,925.68
  4. Step 4: Simplify right side
    563,607x = 250,403,918,466.64
  5. Step 5: Solve for x
    x = 250,403,918,466.64/563,607
  6. Step 6: Final answer
    x = 444,288.16

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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.