Home / 570,623.85-787,484.66-315,975.04

Finding the Fourth Proportional to 570,623.85, 787,484.66 and 315,975.04

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Solution

The fourth proportional to 570,623.85, 787,484.66 and 315,975.04 is: 436,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.85 : 787,484.66 = 315,975.04 : x
  2. Step 2: Convert to fraction form
    570,623.85/787,484.66 = 315,975.04/x
  3. Step 3: Cross multiply
    570,623.85x = 787,484.66 × 315,975.04
  4. Step 4: Simplify right side
    570,623.85x = 248,825,493,394.30
  5. Step 5: Solve for x
    x = 248,825,493,394.30/570,623.85
  6. Step 6: Final answer
    x = 436,058.70

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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.