Home / 810,401.99-1,215,221.47-473,539.89

Finding the Fourth Proportional to 810,401.99, 1,215,221.47 and 473,539.89

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Solution

The fourth proportional to 810,401.99, 1,215,221.47 and 473,539.89 is: 710,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,401.99 : 1,215,221.47 = 473,539.89 : x
  2. Step 2: Convert to fraction form
    810,401.99/1,215,221.47 = 473,539.89/x
  3. Step 3: Cross multiply
    810,401.99x = 1,215,221.47 × 473,539.89
  4. Step 4: Simplify right side
    810,401.99x = 575,455,844,602.67
  5. Step 5: Solve for x
    x = 575,455,844,602.67/810,401.99
  6. Step 6: Final answer
    x = 710,086.91

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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.