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Finding the Fourth Proportional to 695,075.76, 958,709.88 and 637,899.84

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Solution

The fourth proportional to 695,075.76, 958,709.88 and 637,899.84 is: 879,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,075.76 : 958,709.88 = 637,899.84 : x
  2. Step 2: Convert to fraction form
    695,075.76/958,709.88 = 637,899.84/x
  3. Step 3: Cross multiply
    695,075.76x = 958,709.88 × 637,899.84
  4. Step 4: Simplify right side
    695,075.76x = 611,560,879,058.42
  5. Step 5: Solve for x
    x = 611,560,879,058.42/695,075.76
  6. Step 6: Final answer
    x = 879,847.80

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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.