Home / 729,941.46-1,007,309.25-407,657.22

Finding the Fourth Proportional to 729,941.46, 1,007,309.25 and 407,657.22

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Solution

The fourth proportional to 729,941.46, 1,007,309.25 and 407,657.22 is: 562,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,941.46 : 1,007,309.25 = 407,657.22 : x
  2. Step 2: Convert to fraction form
    729,941.46/1,007,309.25 = 407,657.22/x
  3. Step 3: Cross multiply
    729,941.46x = 1,007,309.25 × 407,657.22
  4. Step 4: Simplify right side
    729,941.46x = 410,636,888,535.29
  5. Step 5: Solve for x
    x = 410,636,888,535.29/729,941.46
  6. Step 6: Final answer
    x = 562,561.40

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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.