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Finding the Fourth Proportional to 875,722.02, 1,208,495.76 and 473,314.02

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Solution

The fourth proportional to 875,722.02, 1,208,495.76 and 473,314.02 is: 653,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,722.02 : 1,208,495.76 = 473,314.02 : x
  2. Step 2: Convert to fraction form
    875,722.02/1,208,495.76 = 473,314.02/x
  3. Step 3: Cross multiply
    875,722.02x = 1,208,495.76 × 473,314.02
  4. Step 4: Simplify right side
    875,722.02x = 571,997,986,318.56
  5. Step 5: Solve for x
    x = 571,997,986,318.56/875,722.02
  6. Step 6: Final answer
    x = 653,173.01

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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.