Home / 891,143.04-1,336,692.36-260,062.32

Finding the Fourth Proportional to 891,143.04, 1,336,692.36 and 260,062.32

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Solution

The fourth proportional to 891,143.04, 1,336,692.36 and 260,062.32 is: 390,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,143.04 : 1,336,692.36 = 260,062.32 : x
  2. Step 2: Convert to fraction form
    891,143.04/1,336,692.36 = 260,062.32/x
  3. Step 3: Cross multiply
    891,143.04x = 1,336,692.36 × 260,062.32
  4. Step 4: Simplify right side
    891,143.04x = 347,623,316,267.88
  5. Step 5: Solve for x
    x = 347,623,316,267.88/891,143.04
  6. Step 6: Final answer
    x = 390,087.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.