Home / 977,985.26-1,350,061.80-615,941.18

Finding the Fourth Proportional to 977,985.26, 1,350,061.80 and 615,941.18

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Solution

The fourth proportional to 977,985.26, 1,350,061.80 and 615,941.18 is: 850,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,985.26 : 1,350,061.80 = 615,941.18 : x
  2. Step 2: Convert to fraction form
    977,985.26/1,350,061.80 = 615,941.18/x
  3. Step 3: Cross multiply
    977,985.26x = 1,350,061.80 × 615,941.18
  4. Step 4: Simplify right side
    977,985.26x = 831,558,658,164.92
  5. Step 5: Solve for x
    x = 831,558,658,164.92/977,985.26
  6. Step 6: Final answer
    x = 850,277.29

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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.