Home / 790,355.16-1,185,655.76-257,752.01

Finding the Fourth Proportional to 790,355.16, 1,185,655.76 and 257,752.01

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Solution

The fourth proportional to 790,355.16, 1,185,655.76 and 257,752.01 is: 386,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,355.16 : 1,185,655.76 = 257,752.01 : x
  2. Step 2: Convert to fraction form
    790,355.16/1,185,655.76 = 257,752.01/x
  3. Step 3: Cross multiply
    790,355.16x = 1,185,655.76 × 257,752.01
  4. Step 4: Simplify right side
    790,355.16x = 305,605,148,091.04
  5. Step 5: Solve for x
    x = 305,605,148,091.04/790,355.16
  6. Step 6: Final answer
    x = 386,668.13

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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.