Home / 730,290.06-1,095,492.87-257,081.58

Finding the Fourth Proportional to 730,290.06, 1,095,492.87 and 257,081.58

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Solution

The fourth proportional to 730,290.06, 1,095,492.87 and 257,081.58 is: 385,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,290.06 : 1,095,492.87 = 257,081.58 : x
  2. Step 2: Convert to fraction form
    730,290.06/1,095,492.87 = 257,081.58/x
  3. Step 3: Cross multiply
    730,290.06x = 1,095,492.87 × 257,081.58
  4. Step 4: Simplify right side
    730,290.06x = 281,631,037,898.34
  5. Step 5: Solve for x
    x = 281,631,037,898.34/730,290.06
  6. Step 6: Final answer
    x = 385,642.71

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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.