Home / 788,590.89-1,183,225.32-256,275.09

Finding the Fourth Proportional to 788,590.89, 1,183,225.32 and 256,275.09

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Solution

The fourth proportional to 788,590.89, 1,183,225.32 and 256,275.09 is: 384,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,590.89 : 1,183,225.32 = 256,275.09 : x
  2. Step 2: Convert to fraction form
    788,590.89/1,183,225.32 = 256,275.09/x
  3. Step 3: Cross multiply
    788,590.89x = 1,183,225.32 × 256,275.09
  4. Step 4: Simplify right side
    788,590.89x = 303,231,175,373.28
  5. Step 5: Solve for x
    x = 303,231,175,373.28/788,590.89
  6. Step 6: Final answer
    x = 384,522.80

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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.