Home / 607,430.24-911,169.44-228,312.80

Finding the Fourth Proportional to 607,430.24, 911,169.44 and 228,312.80

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Solution

The fourth proportional to 607,430.24, 911,169.44 and 228,312.80 is: 342,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,430.24 : 911,169.44 = 228,312.80 : x
  2. Step 2: Convert to fraction form
    607,430.24/911,169.44 = 228,312.80/x
  3. Step 3: Cross multiply
    607,430.24x = 911,169.44 × 228,312.80
  4. Step 4: Simplify right side
    607,430.24x = 208,031,646,120.83
  5. Step 5: Solve for x
    x = 208,031,646,120.83/607,430.24
  6. Step 6: Final answer
    x = 342,478.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.