Home / 877,728.63-1,210,922.60-510,144.69

Finding the Fourth Proportional to 877,728.63, 1,210,922.60 and 510,144.69

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Solution

The fourth proportional to 877,728.63, 1,210,922.60 and 510,144.69 is: 703,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,728.63 : 1,210,922.60 = 510,144.69 : x
  2. Step 2: Convert to fraction form
    877,728.63/1,210,922.60 = 510,144.69/x
  3. Step 3: Cross multiply
    877,728.63x = 1,210,922.60 × 510,144.69
  4. Step 4: Simplify right side
    877,728.63x = 617,745,734,390.99
  5. Step 5: Solve for x
    x = 617,745,734,390.99/877,728.63
  6. Step 6: Final answer
    x = 703,800.37

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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.