Home / 688,222.31-1,032,333.53-214,948.22

Finding the Fourth Proportional to 688,222.31, 1,032,333.53 and 214,948.22

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Solution

The fourth proportional to 688,222.31, 1,032,333.53 and 214,948.22 is: 322,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,222.31 : 1,032,333.53 = 214,948.22 : x
  2. Step 2: Convert to fraction form
    688,222.31/1,032,333.53 = 214,948.22/x
  3. Step 3: Cross multiply
    688,222.31x = 1,032,333.53 × 214,948.22
  4. Step 4: Simplify right side
    688,222.31x = 221,898,248,483.41
  5. Step 5: Solve for x
    x = 221,898,248,483.41/688,222.31
  6. Step 6: Final answer
    x = 322,422.34

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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.