Home / 831,346.57-1,147,160.80-468,748.81

Finding the Fourth Proportional to 831,346.57, 1,147,160.80 and 468,748.81

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Solution

The fourth proportional to 831,346.57, 1,147,160.80 and 468,748.81 is: 646,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,346.57 : 1,147,160.80 = 468,748.81 : x
  2. Step 2: Convert to fraction form
    831,346.57/1,147,160.80 = 468,748.81/x
  3. Step 3: Cross multiply
    831,346.57x = 1,147,160.80 × 468,748.81
  4. Step 4: Simplify right side
    831,346.57x = 537,730,252,809.04
  5. Step 5: Solve for x
    x = 537,730,252,809.04/831,346.57
  6. Step 6: Final answer
    x = 646,818.39

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Double scale
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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.