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Finding the Fourth Proportional to 602,381.06, 831,224.25 and 360,657.35

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Solution

The fourth proportional to 602,381.06, 831,224.25 and 360,657.35 is: 497,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,381.06 : 831,224.25 = 360,657.35 : x
  2. Step 2: Convert to fraction form
    602,381.06/831,224.25 = 360,657.35/x
  3. Step 3: Cross multiply
    602,381.06x = 831,224.25 × 360,657.35
  4. Step 4: Simplify right side
    602,381.06x = 299,787,135,260.74
  5. Step 5: Solve for x
    x = 299,787,135,260.74/602,381.06
  6. Step 6: Final answer
    x = 497,670.25

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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.