Home / 570,554.52-787,389.84-315,905.73

Finding the Fourth Proportional to 570,554.52, 787,389.84 and 315,905.73

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Solution

The fourth proportional to 570,554.52, 787,389.84 and 315,905.73 is: 435,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,554.52 : 787,389.84 = 315,905.73 : x
  2. Step 2: Convert to fraction form
    570,554.52/787,389.84 = 315,905.73/x
  3. Step 3: Cross multiply
    570,554.52x = 787,389.84 × 315,905.73
  4. Step 4: Simplify right side
    570,554.52x = 248,740,962,199.78
  5. Step 5: Solve for x
    x = 248,740,962,199.78/570,554.52
  6. Step 6: Final answer
    x = 435,963.53

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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.