Home / 779,143.34-1,168,748.42-305,931.21

Finding the Fourth Proportional to 779,143.34, 1,168,748.42 and 305,931.21

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Solution

The fourth proportional to 779,143.34, 1,168,748.42 and 305,931.21 is: 458,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,143.34 : 1,168,748.42 = 305,931.21 : x
  2. Step 2: Convert to fraction form
    779,143.34/1,168,748.42 = 305,931.21/x
  3. Step 3: Cross multiply
    779,143.34x = 1,168,748.42 × 305,931.21
  4. Step 4: Simplify right side
    779,143.34x = 357,556,616,786.53
  5. Step 5: Solve for x
    x = 357,556,616,786.53/779,143.34
  6. Step 6: Final answer
    x = 458,909.93

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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.