Home / 875,030.13-1,312,619.31-243,944.55

Finding the Fourth Proportional to 875,030.13, 1,312,619.31 and 243,944.55

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Solution

The fourth proportional to 875,030.13, 1,312,619.31 and 243,944.55 is: 365,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,030.13 : 1,312,619.31 = 243,944.55 : x
  2. Step 2: Convert to fraction form
    875,030.13/1,312,619.31 = 243,944.55/x
  3. Step 3: Cross multiply
    875,030.13x = 1,312,619.31 × 243,944.55
  4. Step 4: Simplify right side
    875,030.13x = 320,206,326,899.26
  5. Step 5: Solve for x
    x = 320,206,326,899.26/875,030.13
  6. Step 6: Final answer
    x = 365,937.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.