Home / 926,555.87-1,389,662.60-286,740.32

Finding the Fourth Proportional to 926,555.87, 1,389,662.60 and 286,740.32

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Solution

The fourth proportional to 926,555.87, 1,389,662.60 and 286,740.32 is: 430,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,555.87 : 1,389,662.60 = 286,740.32 : x
  2. Step 2: Convert to fraction form
    926,555.87/1,389,662.60 = 286,740.32/x
  3. Step 3: Cross multiply
    926,555.87x = 1,389,662.60 × 286,740.32
  4. Step 4: Simplify right side
    926,555.87x = 398,472,290,234.02
  5. Step 5: Solve for x
    x = 398,472,290,234.02/926,555.87
  6. Step 6: Final answer
    x = 430,057.49

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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.