Home / 525,260.46-788,136.74-258,875.76

Finding the Fourth Proportional to 525,260.46, 788,136.74 and 258,875.76

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Solution

The fourth proportional to 525,260.46, 788,136.74 and 258,875.76 is: 388,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,260.46 : 788,136.74 = 258,875.76 : x
  2. Step 2: Convert to fraction form
    525,260.46/788,136.74 = 258,875.76/x
  3. Step 3: Cross multiply
    525,260.46x = 788,136.74 × 258,875.76
  4. Step 4: Simplify right side
    525,260.46x = 204,029,496,257.04
  5. Step 5: Solve for x
    x = 204,029,496,257.04/525,260.46
  6. Step 6: Final answer
    x = 388,434.90

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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.