Home / 622,521.46-859,056.94-346,865.07

Finding the Fourth Proportional to 622,521.46, 859,056.94 and 346,865.07

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Solution

The fourth proportional to 622,521.46, 859,056.94 and 346,865.07 is: 478,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,521.46 : 859,056.94 = 346,865.07 : x
  2. Step 2: Convert to fraction form
    622,521.46/859,056.94 = 346,865.07/x
  3. Step 3: Cross multiply
    622,521.46x = 859,056.94 × 346,865.07
  4. Step 4: Simplify right side
    622,521.46x = 297,976,843,892.76
  5. Step 5: Solve for x
    x = 297,976,843,892.76/622,521.46
  6. Step 6: Final answer
    x = 478,661.16

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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.