Home / 939,547.76-1,296,585.28-509,831.52

Finding the Fourth Proportional to 939,547.76, 1,296,585.28 and 509,831.52

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Solution

The fourth proportional to 939,547.76, 1,296,585.28 and 509,831.52 is: 703,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,547.76 : 1,296,585.28 = 509,831.52 : x
  2. Step 2: Convert to fraction form
    939,547.76/1,296,585.28 = 509,831.52/x
  3. Step 3: Cross multiply
    939,547.76x = 1,296,585.28 × 509,831.52
  4. Step 4: Simplify right side
    939,547.76x = 661,040,044,112.03
  5. Step 5: Solve for x
    x = 661,040,044,112.03/939,547.76
  6. Step 6: Final answer
    x = 703,572.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.