Home / 601,439.72-831,081.67-572,288.36

Finding the Fourth Proportional to 601,439.72, 831,081.67 and 572,288.36

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Solution

The fourth proportional to 601,439.72, 831,081.67 and 572,288.36 is: 790,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,439.72 : 831,081.67 = 572,288.36 : x
  2. Step 2: Convert to fraction form
    601,439.72/831,081.67 = 572,288.36/x
  3. Step 3: Cross multiply
    601,439.72x = 831,081.67 × 572,288.36
  4. Step 4: Simplify right side
    601,439.72x = 475,618,360,364.23
  5. Step 5: Solve for x
    x = 475,618,360,364.23/601,439.72
  6. Step 6: Final answer
    x = 790,799.72

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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.