Home / 692,233.47-1,038,525.59-212,485.59

Finding the Fourth Proportional to 692,233.47, 1,038,525.59 and 212,485.59

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Solution

The fourth proportional to 692,233.47, 1,038,525.59 and 212,485.59 is: 318,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,233.47 : 1,038,525.59 = 212,485.59 : x
  2. Step 2: Convert to fraction form
    692,233.47/1,038,525.59 = 212,485.59/x
  3. Step 3: Cross multiply
    692,233.47x = 1,038,525.59 × 212,485.59
  4. Step 4: Simplify right side
    692,233.47x = 220,671,721,658.82
  5. Step 5: Solve for x
    x = 220,671,721,658.82/692,233.47
  6. Step 6: Final answer
    x = 318,782.22

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1.5x scale

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.