Home / 763,629.60-1,145,444.40-538,514.40

Finding the Fourth Proportional to 763,629.60, 1,145,444.40 and 538,514.40

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Solution

The fourth proportional to 763,629.60, 1,145,444.40 and 538,514.40 is: 807,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,629.60 : 1,145,444.40 = 538,514.40 : x
  2. Step 2: Convert to fraction form
    763,629.60/1,145,444.40 = 538,514.40/x
  3. Step 3: Cross multiply
    763,629.60x = 1,145,444.40 × 538,514.40
  4. Step 4: Simplify right side
    763,629.60x = 616,838,303,799.36
  5. Step 5: Solve for x
    x = 616,838,303,799.36/763,629.60
  6. Step 6: Final answer
    x = 807,771.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.