Home / 849,595.86-1,172,254.05-491,692.50

Finding the Fourth Proportional to 849,595.86, 1,172,254.05 and 491,692.50

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Solution

The fourth proportional to 849,595.86, 1,172,254.05 and 491,692.50 is: 678,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,595.86 : 1,172,254.05 = 491,692.50 : x
  2. Step 2: Convert to fraction form
    849,595.86/1,172,254.05 = 491,692.50/x
  3. Step 3: Cross multiply
    849,595.86x = 1,172,254.05 × 491,692.50
  4. Step 4: Simplify right side
    849,595.86x = 576,388,524,479.63
  5. Step 5: Solve for x
    x = 576,388,524,479.63/849,595.86
  6. Step 6: Final answer
    x = 678,426.71

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1.5x scale

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.