Home / 427,570.04-590,057.46-257,815.10

Finding the Fourth Proportional to 427,570.04, 590,057.46 and 257,815.10

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Solution

The fourth proportional to 427,570.04, 590,057.46 and 257,815.10 is: 355,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,570.04 : 590,057.46 = 257,815.10 : x
  2. Step 2: Convert to fraction form
    427,570.04/590,057.46 = 257,815.10/x
  3. Step 3: Cross multiply
    427,570.04x = 590,057.46 × 257,815.10
  4. Step 4: Simplify right side
    427,570.04x = 152,125,724,530.79
  5. Step 5: Solve for x
    x = 152,125,724,530.79/427,570.04
  6. Step 6: Final answer
    x = 355,791.35

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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.