Home / 570,623.10-787,483.62-315,974.28

Finding the Fourth Proportional to 570,623.10, 787,483.62 and 315,974.28

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Solution

The fourth proportional to 570,623.10, 787,483.62 and 315,974.28 is: 436,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.10 : 787,483.62 = 315,974.28 : x
  2. Step 2: Convert to fraction form
    570,623.10/787,483.62 = 315,974.28/x
  3. Step 3: Cross multiply
    570,623.10x = 787,483.62 × 315,974.28
  4. Step 4: Simplify right side
    570,623.10x = 248,824,572,794.36
  5. Step 5: Solve for x
    x = 248,824,572,794.36/570,623.10
  6. Step 6: Final answer
    x = 436,057.66

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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.