Home / 840,782.07-1,160,303.76-458,833.45

Finding the Fourth Proportional to 840,782.07, 1,160,303.76 and 458,833.45

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Solution

The fourth proportional to 840,782.07, 1,160,303.76 and 458,833.45 is: 633,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,782.07 : 1,160,303.76 = 458,833.45 : x
  2. Step 2: Convert to fraction form
    840,782.07/1,160,303.76 = 458,833.45/x
  3. Step 3: Cross multiply
    840,782.07x = 1,160,303.76 × 458,833.45
  4. Step 4: Simplify right side
    840,782.07x = 532,386,177,248.77
  5. Step 5: Solve for x
    x = 532,386,177,248.77/840,782.07
  6. Step 6: Final answer
    x = 633,203.53

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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.