Home / 992,638.71-1,370,084.76-563,170.23

Finding the Fourth Proportional to 992,638.71, 1,370,084.76 and 563,170.23

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Solution

The fourth proportional to 992,638.71, 1,370,084.76 and 563,170.23 is: 777,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,638.71 : 1,370,084.76 = 563,170.23 : x
  2. Step 2: Convert to fraction form
    992,638.71/1,370,084.76 = 563,170.23/x
  3. Step 3: Cross multiply
    992,638.71x = 1,370,084.76 × 563,170.23
  4. Step 4: Simplify right side
    992,638.71x = 771,590,949,408.70
  5. Step 5: Solve for x
    x = 771,590,949,408.70/992,638.71
  6. Step 6: Final answer
    x = 777,312.98

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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.