Home / 824,795.42-1,237,386.77-256,147.17

Finding the Fourth Proportional to 824,795.42, 1,237,386.77 and 256,147.17

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Solution

The fourth proportional to 824,795.42, 1,237,386.77 and 256,147.17 is: 384,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,795.42 : 1,237,386.77 = 256,147.17 : x
  2. Step 2: Convert to fraction form
    824,795.42/1,237,386.77 = 256,147.17/x
  3. Step 3: Cross multiply
    824,795.42x = 1,237,386.77 × 256,147.17
  4. Step 4: Simplify right side
    824,795.42x = 316,953,119,971.31
  5. Step 5: Solve for x
    x = 316,953,119,971.31/824,795.42
  6. Step 6: Final answer
    x = 384,280.89

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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.