Home / 840,779.79-1,160,300.79-458,831.22

Finding the Fourth Proportional to 840,779.79, 1,160,300.79 and 458,831.22

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Solution

The fourth proportional to 840,779.79, 1,160,300.79 and 458,831.22 is: 633,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,779.79 : 1,160,300.79 = 458,831.22 : x
  2. Step 2: Convert to fraction form
    840,779.79/1,160,300.79 = 458,831.22/x
  3. Step 3: Cross multiply
    840,779.79x = 1,160,300.79 × 458,831.22
  4. Step 4: Simplify right side
    840,779.79x = 532,382,227,042.66
  5. Step 5: Solve for x
    x = 532,382,227,042.66/840,779.79
  6. Step 6: Final answer
    x = 633,200.55

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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.