Home / 421,594.70-581,746.52-258,324.21

Finding the Fourth Proportional to 421,594.70, 581,746.52 and 258,324.21

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Solution

The fourth proportional to 421,594.70, 581,746.52 and 258,324.21 is: 356,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,594.70 : 581,746.52 = 258,324.21 : x
  2. Step 2: Convert to fraction form
    421,594.70/581,746.52 = 258,324.21/x
  3. Step 3: Cross multiply
    421,594.70x = 581,746.52 × 258,324.21
  4. Step 4: Simplify right side
    421,594.70x = 150,279,210,845.06
  5. Step 5: Solve for x
    x = 150,279,210,845.06/421,594.70
  6. Step 6: Final answer
    x = 356,454.23

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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.