Home / 706,712.20-1,057,476.30-520,088.20

Finding the Fourth Proportional to 706,712.20, 1,057,476.30 and 520,088.20

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Solution

The fourth proportional to 706,712.20, 1,057,476.30 and 520,088.20 is: 778,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,712.20 : 1,057,476.30 = 520,088.20 : x
  2. Step 2: Convert to fraction form
    706,712.20/1,057,476.30 = 520,088.20/x
  3. Step 3: Cross multiply
    706,712.20x = 1,057,476.30 × 520,088.20
  4. Step 4: Simplify right side
    706,712.20x = 549,980,945,409.66
  5. Step 5: Solve for x
    x = 549,980,945,409.66/706,712.20
  6. Step 6: Final answer
    x = 778,224.78

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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.