Home / 951,435.60-1,312,980.08-521,722.91

Finding the Fourth Proportional to 951,435.60, 1,312,980.08 and 521,722.91

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Solution

The fourth proportional to 951,435.60, 1,312,980.08 and 521,722.91 is: 719,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,435.60 : 1,312,980.08 = 521,722.91 : x
  2. Step 2: Convert to fraction form
    951,435.60/1,312,980.08 = 521,722.91/x
  3. Step 3: Cross multiply
    951,435.60x = 1,312,980.08 × 521,722.91
  4. Step 4: Simplify right side
    951,435.60x = 685,011,778,936.12
  5. Step 5: Solve for x
    x = 685,011,778,936.12/951,435.60
  6. Step 6: Final answer
    x = 719,977.03

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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.