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Finding the Fourth Proportional to 702,075.60, 968,869.04 and 430,144

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Solution

The fourth proportional to 702,075.60, 968,869.04 and 430,144 is: 593,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,075.60 : 968,869.04 = 430,144 : x
  2. Step 2: Convert to fraction form
    702,075.60/968,869.04 = 430,144/x
  3. Step 3: Cross multiply
    702,075.60x = 968,869.04 × 430,144
  4. Step 4: Simplify right side
    702,075.60x = 416,753,204,341.76
  5. Step 5: Solve for x
    x = 416,753,204,341.76/702,075.60
  6. Step 6: Final answer
    x = 593,601.61

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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.