Home / 963,340.98-1,445,459.81-431,222.01

Finding the Fourth Proportional to 963,340.98, 1,445,459.81 and 431,222.01

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Solution

The fourth proportional to 963,340.98, 1,445,459.81 and 431,222.01 is: 647,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,340.98 : 1,445,459.81 = 431,222.01 : x
  2. Step 2: Convert to fraction form
    963,340.98/1,445,459.81 = 431,222.01/x
  3. Step 3: Cross multiply
    963,340.98x = 1,445,459.81 × 431,222.01
  4. Step 4: Simplify right side
    963,340.98x = 623,314,082,486.31
  5. Step 5: Solve for x
    x = 623,314,082,486.31/963,340.98
  6. Step 6: Final answer
    x = 647,033.70

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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.