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Finding the Fourth Proportional to 883,652.68, 1,219,475.22 and 501,715

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Solution

The fourth proportional to 883,652.68, 1,219,475.22 and 501,715 is: 692,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,652.68 : 1,219,475.22 = 501,715 : x
  2. Step 2: Convert to fraction form
    883,652.68/1,219,475.22 = 501,715/x
  3. Step 3: Cross multiply
    883,652.68x = 1,219,475.22 × 501,715
  4. Step 4: Simplify right side
    883,652.68x = 611,829,010,002.30
  5. Step 5: Solve for x
    x = 611,829,010,002.30/883,652.68
  6. Step 6: Final answer
    x = 692,386.30

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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.