Home / 832,075.94-1,147,900.08-487,737.30

Finding the Fourth Proportional to 832,075.94, 1,147,900.08 and 487,737.30

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Solution

The fourth proportional to 832,075.94, 1,147,900.08 and 487,737.30 is: 672,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,075.94 : 1,147,900.08 = 487,737.30 : x
  2. Step 2: Convert to fraction form
    832,075.94/1,147,900.08 = 487,737.30/x
  3. Step 3: Cross multiply
    832,075.94x = 1,147,900.08 × 487,737.30
  4. Step 4: Simplify right side
    832,075.94x = 559,873,685,688.98
  5. Step 5: Solve for x
    x = 559,873,685,688.98/832,075.94
  6. Step 6: Final answer
    x = 672,863.69

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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.