Home / 662,226.40-913,845.42-375,740.32

Finding the Fourth Proportional to 662,226.40, 913,845.42 and 375,740.32

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Solution

The fourth proportional to 662,226.40, 913,845.42 and 375,740.32 is: 518,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,226.40 : 913,845.42 = 375,740.32 : x
  2. Step 2: Convert to fraction form
    662,226.40/913,845.42 = 375,740.32/x
  3. Step 3: Cross multiply
    662,226.40x = 913,845.42 × 375,740.32
  4. Step 4: Simplify right side
    662,226.40x = 343,368,570,541.33
  5. Step 5: Solve for x
    x = 343,368,570,541.33/662,226.40
  6. Step 6: Final answer
    x = 518,506.32

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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.