Home / 757,907.79-1,046,088.60-499,831.32

Finding the Fourth Proportional to 757,907.79, 1,046,088.60 and 499,831.32

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Solution

The fourth proportional to 757,907.79, 1,046,088.60 and 499,831.32 is: 689,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,907.79 : 1,046,088.60 = 499,831.32 : x
  2. Step 2: Convert to fraction form
    757,907.79/1,046,088.60 = 499,831.32/x
  3. Step 3: Cross multiply
    757,907.79x = 1,046,088.60 × 499,831.32
  4. Step 4: Simplify right side
    757,907.79x = 522,867,845,774.95
  5. Step 5: Solve for x
    x = 522,867,845,774.95/757,907.79
  6. Step 6: Final answer
    x = 689,883.19

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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.