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Finding the Fourth Proportional to 452,686.32, 624,430.32 and 268,800.24

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Solution

The fourth proportional to 452,686.32, 624,430.32 and 268,800.24 is: 370,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,686.32 : 624,430.32 = 268,800.24 : x
  2. Step 2: Convert to fraction form
    452,686.32/624,430.32 = 268,800.24/x
  3. Step 3: Cross multiply
    452,686.32x = 624,430.32 × 268,800.24
  4. Step 4: Simplify right side
    452,686.32x = 167,847,019,879.28
  5. Step 5: Solve for x
    x = 167,847,019,879.28/452,686.32
  6. Step 6: Final answer
    x = 370,779.97

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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.