Home / 998,039.93-1,497,184.25-390,749.72

Finding the Fourth Proportional to 998,039.93, 1,497,184.25 and 390,749.72

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Solution

The fourth proportional to 998,039.93, 1,497,184.25 and 390,749.72 is: 586,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,039.93 : 1,497,184.25 = 390,749.72 : x
  2. Step 2: Convert to fraction form
    998,039.93/1,497,184.25 = 390,749.72/x
  3. Step 3: Cross multiply
    998,039.93x = 1,497,184.25 × 390,749.72
  4. Step 4: Simplify right side
    998,039.93x = 585,024,317,036.24
  5. Step 5: Solve for x
    x = 585,024,317,036.24/998,039.93
  6. Step 6: Final answer
    x = 586,173.26

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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.