Home / 898,674.24-1,240,175.76-490,771.20

Finding the Fourth Proportional to 898,674.24, 1,240,175.76 and 490,771.20

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Solution

The fourth proportional to 898,674.24, 1,240,175.76 and 490,771.20 is: 677,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,674.24 : 1,240,175.76 = 490,771.20 : x
  2. Step 2: Convert to fraction form
    898,674.24/1,240,175.76 = 490,771.20/x
  3. Step 3: Cross multiply
    898,674.24x = 1,240,175.76 × 490,771.20
  4. Step 4: Simplify right side
    898,674.24x = 608,642,545,946.11
  5. Step 5: Solve for x
    x = 608,642,545,946.11/898,674.24
  6. Step 6: Final answer
    x = 677,267.16

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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.