Home / 693,146.16-1,039,748.40-338,473.08

Finding the Fourth Proportional to 693,146.16, 1,039,748.40 and 338,473.08

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Solution

The fourth proportional to 693,146.16, 1,039,748.40 and 338,473.08 is: 507,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,146.16 : 1,039,748.40 = 338,473.08 : x
  2. Step 2: Convert to fraction form
    693,146.16/1,039,748.40 = 338,473.08/x
  3. Step 3: Cross multiply
    693,146.16x = 1,039,748.40 × 338,473.08
  4. Step 4: Simplify right side
    693,146.16x = 351,926,843,373.07
  5. Step 5: Solve for x
    x = 351,926,843,373.07/693,146.16
  6. Step 6: Final answer
    x = 507,723.86

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1.5x scale

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.