Home / 825,579.15-1,139,308.77-458,063.19

Finding the Fourth Proportional to 825,579.15, 1,139,308.77 and 458,063.19

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Solution

The fourth proportional to 825,579.15, 1,139,308.77 and 458,063.19 is: 632,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,579.15 : 1,139,308.77 = 458,063.19 : x
  2. Step 2: Convert to fraction form
    825,579.15/1,139,308.77 = 458,063.19/x
  3. Step 3: Cross multiply
    825,579.15x = 1,139,308.77 × 458,063.19
  4. Step 4: Simplify right side
    825,579.15x = 521,875,409,581.18
  5. Step 5: Solve for x
    x = 521,875,409,581.18/825,579.15
  6. Step 6: Final answer
    x = 632,132.50

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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.