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Finding the Fourth Proportional to 602,182.34, 831,010.35 and 347,533.53

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Solution

The fourth proportional to 602,182.34, 831,010.35 and 347,533.53 is: 479,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,182.34 : 831,010.35 = 347,533.53 : x
  2. Step 2: Convert to fraction form
    602,182.34/831,010.35 = 347,533.53/x
  3. Step 3: Cross multiply
    602,182.34x = 831,010.35 × 347,533.53
  4. Step 4: Simplify right side
    602,182.34x = 288,803,960,402.04
  5. Step 5: Solve for x
    x = 288,803,960,402.04/602,182.34
  6. Step 6: Final answer
    x = 479,595.53

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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.