Home / 880,707.47-1,215,355.60-518,154.66

Finding the Fourth Proportional to 880,707.47, 1,215,355.60 and 518,154.66

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Solution

The fourth proportional to 880,707.47, 1,215,355.60 and 518,154.66 is: 715,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,707.47 : 1,215,355.60 = 518,154.66 : x
  2. Step 2: Convert to fraction form
    880,707.47/1,215,355.60 = 518,154.66/x
  3. Step 3: Cross multiply
    880,707.47x = 1,215,355.60 × 518,154.66
  4. Step 4: Simplify right side
    880,707.47x = 629,742,159,029.55
  5. Step 5: Solve for x
    x = 629,742,159,029.55/880,707.47
  6. Step 6: Final answer
    x = 715,041.24

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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.