Home / 930,811.02-1,284,428.52-522,820.50

Finding the Fourth Proportional to 930,811.02, 1,284,428.52 and 522,820.50

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Solution

The fourth proportional to 930,811.02, 1,284,428.52 and 522,820.50 is: 721,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,811.02 : 1,284,428.52 = 522,820.50 : x
  2. Step 2: Convert to fraction form
    930,811.02/1,284,428.52 = 522,820.50/x
  3. Step 3: Cross multiply
    930,811.02x = 1,284,428.52 × 522,820.50
  4. Step 4: Simplify right side
    930,811.02x = 671,525,561,040.66
  5. Step 5: Solve for x
    x = 671,525,561,040.66/930,811.02
  6. Step 6: Final answer
    x = 721,441.35

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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.