Home / 903,603.42-1,246,965.35-490,139.17

Finding the Fourth Proportional to 903,603.42, 1,246,965.35 and 490,139.17

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Solution

The fourth proportional to 903,603.42, 1,246,965.35 and 490,139.17 is: 676,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,603.42 : 1,246,965.35 = 490,139.17 : x
  2. Step 2: Convert to fraction form
    903,603.42/1,246,965.35 = 490,139.17/x
  3. Step 3: Cross multiply
    903,603.42x = 1,246,965.35 × 490,139.17
  4. Step 4: Simplify right side
    903,603.42x = 611,186,556,099.65
  5. Step 5: Solve for x
    x = 611,186,556,099.65/903,603.42
  6. Step 6: Final answer
    x = 676,388.05

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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.