Home / 841,831.81-1,161,684.59-459,784.78

Finding the Fourth Proportional to 841,831.81, 1,161,684.59 and 459,784.78

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Solution

The fourth proportional to 841,831.81, 1,161,684.59 and 459,784.78 is: 634,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,831.81 : 1,161,684.59 = 459,784.78 : x
  2. Step 2: Convert to fraction form
    841,831.81/1,161,684.59 = 459,784.78/x
  3. Step 3: Cross multiply
    841,831.81x = 1,161,684.59 × 459,784.78
  4. Step 4: Simplify right side
    841,831.81x = 534,124,885,535.19
  5. Step 5: Solve for x
    x = 534,124,885,535.19/841,831.81
  6. Step 6: Final answer
    x = 634,479.34

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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.