Home / 692,013.22-955,045.02-420,018.46

Finding the Fourth Proportional to 692,013.22, 955,045.02 and 420,018.46

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Solution

The fourth proportional to 692,013.22, 955,045.02 and 420,018.46 is: 579,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,013.22 : 955,045.02 = 420,018.46 : x
  2. Step 2: Convert to fraction form
    692,013.22/955,045.02 = 420,018.46/x
  3. Step 3: Cross multiply
    692,013.22x = 955,045.02 × 420,018.46
  4. Step 4: Simplify right side
    692,013.22x = 401,136,538,531.07
  5. Step 5: Solve for x
    x = 401,136,538,531.07/692,013.22
  6. Step 6: Final answer
    x = 579,666.00

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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.