Home / 809,802.30-1,117,527.17-470,292.42

Finding the Fourth Proportional to 809,802.30, 1,117,527.17 and 470,292.42

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Solution

The fourth proportional to 809,802.30, 1,117,527.17 and 470,292.42 is: 649,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,802.30 : 1,117,527.17 = 470,292.42 : x
  2. Step 2: Convert to fraction form
    809,802.30/1,117,527.17 = 470,292.42/x
  3. Step 3: Cross multiply
    809,802.30x = 1,117,527.17 × 470,292.42
  4. Step 4: Simplify right side
    809,802.30x = 525,564,551,607.42
  5. Step 5: Solve for x
    x = 525,564,551,607.42/809,802.30
  6. Step 6: Final answer
    x = 649,003.53

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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.