Home / 499,426.83-689,208.08-269,984.25

Finding the Fourth Proportional to 499,426.83, 689,208.08 and 269,984.25

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Solution

The fourth proportional to 499,426.83, 689,208.08 and 269,984.25 is: 372,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,426.83 : 689,208.08 = 269,984.25 : x
  2. Step 2: Convert to fraction form
    499,426.83/689,208.08 = 269,984.25/x
  3. Step 3: Cross multiply
    499,426.83x = 689,208.08 × 269,984.25
  4. Step 4: Simplify right side
    499,426.83x = 186,075,326,572.74
  5. Step 5: Solve for x
    x = 186,075,326,572.74/499,426.83
  6. Step 6: Final answer
    x = 372,577.75

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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.