Home / 989,826.76-1,365,964.56-537,117.76

Finding the Fourth Proportional to 989,826.76, 1,365,964.56 and 537,117.76

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Solution

The fourth proportional to 989,826.76, 1,365,964.56 and 537,117.76 is: 741,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,826.76 : 1,365,964.56 = 537,117.76 : x
  2. Step 2: Convert to fraction form
    989,826.76/1,365,964.56 = 537,117.76/x
  3. Step 3: Cross multiply
    989,826.76x = 1,365,964.56 × 537,117.76
  4. Step 4: Simplify right side
    989,826.76x = 733,683,824,706.59
  5. Step 5: Solve for x
    x = 733,683,824,706.59/989,826.76
  6. Step 6: Final answer
    x = 741,224.48

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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.