Home / 570,905.46-787,815.45-316,238.22

Finding the Fourth Proportional to 570,905.46, 787,815.45 and 316,238.22

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Solution

The fourth proportional to 570,905.46, 787,815.45 and 316,238.22 is: 436,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,905.46 : 787,815.45 = 316,238.22 : x
  2. Step 2: Convert to fraction form
    570,905.46/787,815.45 = 316,238.22/x
  3. Step 3: Cross multiply
    570,905.46x = 787,815.45 × 316,238.22
  4. Step 4: Simplify right side
    570,905.46x = 249,137,355,596.50
  5. Step 5: Solve for x
    x = 249,137,355,596.50/570,905.46
  6. Step 6: Final answer
    x = 436,389.86

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1.5x scale

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.