Home / 877,369.32-1,210,747.33-490,187.70

Finding the Fourth Proportional to 877,369.32, 1,210,747.33 and 490,187.70

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Solution

The fourth proportional to 877,369.32, 1,210,747.33 and 490,187.70 is: 676,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,369.32 : 1,210,747.33 = 490,187.70 : x
  2. Step 2: Convert to fraction form
    877,369.32/1,210,747.33 = 490,187.70/x
  3. Step 3: Cross multiply
    877,369.32x = 1,210,747.33 × 490,187.70
  4. Step 4: Simplify right side
    877,369.32x = 593,493,448,973.84
  5. Step 5: Solve for x
    x = 593,493,448,973.84/877,369.32
  6. Step 6: Final answer
    x = 676,446.55

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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.