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Finding the Fourth Proportional to 570,773.63, 787,657.95 and 316,119.35

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Solution

The fourth proportional to 570,773.63, 787,657.95 and 316,119.35 is: 436,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,773.63 : 787,657.95 = 316,119.35 : x
  2. Step 2: Convert to fraction form
    570,773.63/787,657.95 = 316,119.35/x
  3. Step 3: Cross multiply
    570,773.63x = 787,657.95 × 316,119.35
  4. Step 4: Simplify right side
    570,773.63x = 248,993,915,238.04
  5. Step 5: Solve for x
    x = 248,993,915,238.04/570,773.63
  6. Step 6: Final answer
    x = 436,239.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.