Home / 585,823.20-878,734.80-508,840.80

Finding the Fourth Proportional to 585,823.20, 878,734.80 and 508,840.80

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Solution

The fourth proportional to 585,823.20, 878,734.80 and 508,840.80 is: 763,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,823.20 : 878,734.80 = 508,840.80 : x
  2. Step 2: Convert to fraction form
    585,823.20/878,734.80 = 508,840.80/x
  3. Step 3: Cross multiply
    585,823.20x = 878,734.80 × 508,840.80
  4. Step 4: Simplify right side
    585,823.20x = 447,136,118,619.84
  5. Step 5: Solve for x
    x = 447,136,118,619.84/585,823.20
  6. Step 6: Final answer
    x = 763,261.20

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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.