Home / 989,875.34-1,366,031.56-537,166.22

Finding the Fourth Proportional to 989,875.34, 1,366,031.56 and 537,166.22

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Solution

The fourth proportional to 989,875.34, 1,366,031.56 and 537,166.22 is: 741,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,875.34 : 1,366,031.56 = 537,166.22 : x
  2. Step 2: Convert to fraction form
    989,875.34/1,366,031.56 = 537,166.22/x
  3. Step 3: Cross multiply
    989,875.34x = 1,366,031.56 × 537,166.22
  4. Step 4: Simplify right side
    989,875.34x = 733,786,009,485.90
  5. Step 5: Solve for x
    x = 733,786,009,485.90/989,875.34
  6. Step 6: Final answer
    x = 741,291.33

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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.