Home / 516,653.40-774,839.54-326,828.82

Finding the Fourth Proportional to 516,653.40, 774,839.54 and 326,828.82

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Solution

The fourth proportional to 516,653.40, 774,839.54 and 326,828.82 is: 490,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,653.40 : 774,839.54 = 326,828.82 : x
  2. Step 2: Convert to fraction form
    516,653.40/774,839.54 = 326,828.82/x
  3. Step 3: Cross multiply
    516,653.40x = 774,839.54 × 326,828.82
  4. Step 4: Simplify right side
    516,653.40x = 253,239,892,547.54
  5. Step 5: Solve for x
    x = 253,239,892,547.54/516,653.40
  6. Step 6: Final answer
    x = 490,154.31

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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.