Home / 559,913.16-839,475.96-260,075.40

Finding the Fourth Proportional to 559,913.16, 839,475.96 and 260,075.40

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Solution

The fourth proportional to 559,913.16, 839,475.96 and 260,075.40 is: 389,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,913.16 : 839,475.96 = 260,075.40 : x
  2. Step 2: Convert to fraction form
    559,913.16/839,475.96 = 260,075.40/x
  3. Step 3: Cross multiply
    559,913.16x = 839,475.96 × 260,075.40
  4. Step 4: Simplify right side
    559,913.16x = 218,327,046,087.38
  5. Step 5: Solve for x
    x = 218,327,046,087.38/559,913.16
  6. Step 6: Final answer
    x = 389,930.19

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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.