Home / 721,881.01-1,082,447.74-384,831.10

Finding the Fourth Proportional to 721,881.01, 1,082,447.74 and 384,831.10

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Solution

The fourth proportional to 721,881.01, 1,082,447.74 and 384,831.10 is: 577,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,881.01 : 1,082,447.74 = 384,831.10 : x
  2. Step 2: Convert to fraction form
    721,881.01/1,082,447.74 = 384,831.10/x
  3. Step 3: Cross multiply
    721,881.01x = 1,082,447.74 × 384,831.10
  4. Step 4: Simplify right side
    721,881.01x = 416,559,554,476.71
  5. Step 5: Solve for x
    x = 416,559,554,476.71/721,881.01
  6. Step 6: Final answer
    x = 577,047.39

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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.