Home / 989,116.14-1,364,981.04-536,407.14

Finding the Fourth Proportional to 989,116.14, 1,364,981.04 and 536,407.14

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Solution

The fourth proportional to 989,116.14, 1,364,981.04 and 536,407.14 is: 740,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,116.14 : 1,364,981.04 = 536,407.14 : x
  2. Step 2: Convert to fraction form
    989,116.14/1,364,981.04 = 536,407.14/x
  3. Step 3: Cross multiply
    989,116.14x = 1,364,981.04 × 536,407.14
  4. Step 4: Simplify right side
    989,116.14x = 732,185,575,820.63
  5. Step 5: Solve for x
    x = 732,185,575,820.63/989,116.14
  6. Step 6: Final answer
    x = 740,242.27

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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.