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Finding the Fourth Proportional to 563,009.60, 776,955.36 and 304,886.67

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Solution

The fourth proportional to 563,009.60, 776,955.36 and 304,886.67 is: 420,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,009.60 : 776,955.36 = 304,886.67 : x
  2. Step 2: Convert to fraction form
    563,009.60/776,955.36 = 304,886.67/x
  3. Step 3: Cross multiply
    563,009.60x = 776,955.36 × 304,886.67
  4. Step 4: Simplify right side
    563,009.60x = 236,883,328,963.81
  5. Step 5: Solve for x
    x = 236,883,328,963.81/563,009.60
  6. Step 6: Final answer
    x = 420,744.74

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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.