Home / 877,550.64-1,210,996.65-490,369.24

Finding the Fourth Proportional to 877,550.64, 1,210,996.65 and 490,369.24

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Solution

The fourth proportional to 877,550.64, 1,210,996.65 and 490,369.24 is: 676,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,550.64 : 1,210,996.65 = 490,369.24 : x
  2. Step 2: Convert to fraction form
    877,550.64/1,210,996.65 = 490,369.24/x
  3. Step 3: Cross multiply
    877,550.64x = 1,210,996.65 × 490,369.24
  4. Step 4: Simplify right side
    877,550.64x = 593,835,510,025.84
  5. Step 5: Solve for x
    x = 593,835,510,025.84/877,550.64
  6. Step 6: Final answer
    x = 676,696.57

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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.