Home / 525,266.10-788,482.35-325,811.70

Finding the Fourth Proportional to 525,266.10, 788,482.35 and 325,811.70

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Solution

The fourth proportional to 525,266.10, 788,482.35 and 325,811.70 is: 489,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,266.10 : 788,482.35 = 325,811.70 : x
  2. Step 2: Convert to fraction form
    525,266.10/788,482.35 = 325,811.70/x
  3. Step 3: Cross multiply
    525,266.10x = 788,482.35 × 325,811.70
  4. Step 4: Simplify right side
    525,266.10x = 256,896,774,873.50
  5. Step 5: Solve for x
    x = 256,896,774,873.50/525,266.10
  6. Step 6: Final answer
    x = 489,079.30

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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.