Home / 884,830.16-1,221,030.44-522,370.77

Finding the Fourth Proportional to 884,830.16, 1,221,030.44 and 522,370.77

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Solution

The fourth proportional to 884,830.16, 1,221,030.44 and 522,370.77 is: 720,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,830.16 : 1,221,030.44 = 522,370.77 : x
  2. Step 2: Convert to fraction form
    884,830.16/1,221,030.44 = 522,370.77/x
  3. Step 3: Cross multiply
    884,830.16x = 1,221,030.44 × 522,370.77
  4. Step 4: Simplify right side
    884,830.16x = 637,830,611,136.24
  5. Step 5: Solve for x
    x = 637,830,611,136.24/884,830.16
  6. Step 6: Final answer
    x = 720,850.90

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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.