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Finding the Fourth Proportional to 994,152.64, 1,371,883.52 and 564,376

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Solution

The fourth proportional to 994,152.64, 1,371,883.52 and 564,376 is: 778,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,152.64 : 1,371,883.52 = 564,376 : x
  2. Step 2: Convert to fraction form
    994,152.64/1,371,883.52 = 564,376/x
  3. Step 3: Cross multiply
    994,152.64x = 1,371,883.52 × 564,376
  4. Step 4: Simplify right side
    994,152.64x = 774,258,133,483.52
  5. Step 5: Solve for x
    x = 774,258,133,483.52/994,152.64
  6. Step 6: Final answer
    x = 778,812.13

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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.