Home / 966,948.86-1,333,313.70-661,075.04

Finding the Fourth Proportional to 966,948.86, 1,333,313.70 and 661,075.04

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Solution

The fourth proportional to 966,948.86, 1,333,313.70 and 661,075.04 is: 911,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,948.86 : 1,333,313.70 = 661,075.04 : x
  2. Step 2: Convert to fraction form
    966,948.86/1,333,313.70 = 661,075.04/x
  3. Step 3: Cross multiply
    966,948.86x = 1,333,313.70 × 661,075.04
  4. Step 4: Simplify right side
    966,948.86x = 881,420,407,560.05
  5. Step 5: Solve for x
    x = 881,420,407,560.05/966,948.86
  6. Step 6: Final answer
    x = 911,548.11

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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.