Home / 815,681.33-1,124,762.62-509,645.92

Finding the Fourth Proportional to 815,681.33, 1,124,762.62 and 509,645.92

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Solution

The fourth proportional to 815,681.33, 1,124,762.62 and 509,645.92 is: 702,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,681.33 : 1,124,762.62 = 509,645.92 : x
  2. Step 2: Convert to fraction form
    815,681.33/1,124,762.62 = 509,645.92/x
  3. Step 3: Cross multiply
    815,681.33x = 1,124,762.62 × 509,645.92
  4. Step 4: Simplify right side
    815,681.33x = 573,230,674,627.70
  5. Step 5: Solve for x
    x = 573,230,674,627.70/815,681.33
  6. Step 6: Final answer
    x = 702,763.02

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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.