Home / 760,661.43-1,139,310.30-520,205.46

Finding the Fourth Proportional to 760,661.43, 1,139,310.30 and 520,205.46

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Solution

The fourth proportional to 760,661.43, 1,139,310.30 and 520,205.46 is: 779,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,661.43 : 1,139,310.30 = 520,205.46 : x
  2. Step 2: Convert to fraction form
    760,661.43/1,139,310.30 = 520,205.46/x
  3. Step 3: Cross multiply
    760,661.43x = 1,139,310.30 × 520,205.46
  4. Step 4: Simplify right side
    760,661.43x = 592,675,438,694.24
  5. Step 5: Solve for x
    x = 592,675,438,694.24/760,661.43
  6. Step 6: Final answer
    x = 779,158.00

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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.