Home / 602,487.36-831,338.64-347,789.52

Finding the Fourth Proportional to 602,487.36, 831,338.64 and 347,789.52

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Solution

The fourth proportional to 602,487.36, 831,338.64 and 347,789.52 is: 479,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,487.36 : 831,338.64 = 347,789.52 : x
  2. Step 2: Convert to fraction form
    602,487.36/831,338.64 = 347,789.52/x
  3. Step 3: Cross multiply
    602,487.36x = 831,338.64 × 347,789.52
  4. Step 4: Simplify right side
    602,487.36x = 289,130,866,563.05
  5. Step 5: Solve for x
    x = 289,130,866,563.05/602,487.36
  6. Step 6: Final answer
    x = 479,895.32

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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.