Home / 745,448.13-1,118,015.19-240,054.30

Finding the Fourth Proportional to 745,448.13, 1,118,015.19 and 240,054.30

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Solution

The fourth proportional to 745,448.13, 1,118,015.19 and 240,054.30 is: 360,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,448.13 : 1,118,015.19 = 240,054.30 : x
  2. Step 2: Convert to fraction form
    745,448.13/1,118,015.19 = 240,054.30/x
  3. Step 3: Cross multiply
    745,448.13x = 1,118,015.19 × 240,054.30
  4. Step 4: Simplify right side
    745,448.13x = 268,384,353,824.82
  5. Step 5: Solve for x
    x = 268,384,353,824.82/745,448.13
  6. Step 6: Final answer
    x = 360,030.89

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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.