Home / 710,819.49-1,066,415.98-255,456.70

Finding the Fourth Proportional to 710,819.49, 1,066,415.98 and 255,456.70

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Solution

The fourth proportional to 710,819.49, 1,066,415.98 and 255,456.70 is: 383,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,819.49 : 1,066,415.98 = 255,456.70 : x
  2. Step 2: Convert to fraction form
    710,819.49/1,066,415.98 = 255,456.70/x
  3. Step 3: Cross multiply
    710,819.49x = 1,066,415.98 × 255,456.70
  4. Step 4: Simplify right side
    710,819.49x = 272,423,107,078.07
  5. Step 5: Solve for x
    x = 272,423,107,078.07/710,819.49
  6. Step 6: Final answer
    x = 383,252.16

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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.