Home / 872,295.89-1,203,746.67-490,347.27

Finding the Fourth Proportional to 872,295.89, 1,203,746.67 and 490,347.27

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Solution

The fourth proportional to 872,295.89, 1,203,746.67 and 490,347.27 is: 676,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,295.89 : 1,203,746.67 = 490,347.27 : x
  2. Step 2: Convert to fraction form
    872,295.89/1,203,746.67 = 490,347.27/x
  3. Step 3: Cross multiply
    872,295.89x = 1,203,746.67 × 490,347.27
  4. Step 4: Simplify right side
    872,295.89x = 590,253,893,406.09
  5. Step 5: Solve for x
    x = 590,253,893,406.09/872,295.89
  6. Step 6: Final answer
    x = 676,667.06

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1.5x scale

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.