Home / 710,467.40-1,064,782.48-531,570.80

Finding the Fourth Proportional to 710,467.40, 1,064,782.48 and 531,570.80

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Solution

The fourth proportional to 710,467.40, 1,064,782.48 and 531,570.80 is: 796,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,467.40 : 1,064,782.48 = 531,570.80 : x
  2. Step 2: Convert to fraction form
    710,467.40/1,064,782.48 = 531,570.80/x
  3. Step 3: Cross multiply
    710,467.40x = 1,064,782.48 × 531,570.80
  4. Step 4: Simplify right side
    710,467.40x = 566,007,274,719.58
  5. Step 5: Solve for x
    x = 566,007,274,719.58/710,467.40
  6. Step 6: Final answer
    x = 796,668.89

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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.