Home / 673,017.75-928,731.69-401,079.42

Finding the Fourth Proportional to 673,017.75, 928,731.69 and 401,079.42

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Solution

The fourth proportional to 673,017.75, 928,731.69 and 401,079.42 is: 553,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,017.75 : 928,731.69 = 401,079.42 : x
  2. Step 2: Convert to fraction form
    673,017.75/928,731.69 = 401,079.42/x
  3. Step 3: Cross multiply
    673,017.75x = 928,731.69 × 401,079.42
  4. Step 4: Simplify right side
    673,017.75x = 372,495,167,560.82
  5. Step 5: Solve for x
    x = 372,495,167,560.82/673,017.75
  6. Step 6: Final answer
    x = 553,470.05

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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.