Home / 651,629.80-976,278.30-558,317.80

Finding the Fourth Proportional to 651,629.80, 976,278.30 and 558,317.80

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Solution

The fourth proportional to 651,629.80, 976,278.30 and 558,317.80 is: 836,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,629.80 : 976,278.30 = 558,317.80 : x
  2. Step 2: Convert to fraction form
    651,629.80/976,278.30 = 558,317.80/x
  3. Step 3: Cross multiply
    651,629.80x = 976,278.30 × 558,317.80
  4. Step 4: Simplify right side
    651,629.80x = 545,073,552,643.74
  5. Step 5: Solve for x
    x = 545,073,552,643.74/651,629.80
  6. Step 6: Final answer
    x = 836,477.33

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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.