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Finding the Fourth Proportional to 867,253.68, 1,301,435.68 and 468,172.32

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Solution

The fourth proportional to 867,253.68, 1,301,435.68 and 468,172.32 is: 702,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,253.68 : 1,301,435.68 = 468,172.32 : x
  2. Step 2: Convert to fraction form
    867,253.68/1,301,435.68 = 468,172.32/x
  3. Step 3: Cross multiply
    867,253.68x = 1,301,435.68 × 468,172.32
  4. Step 4: Simplify right side
    867,253.68x = 609,296,161,636.38
  5. Step 5: Solve for x
    x = 609,296,161,636.38/867,253.68
  6. Step 6: Final answer
    x = 702,558.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.