Home / 891,837.23-1,230,385.02-509,658.98

Finding the Fourth Proportional to 891,837.23, 1,230,385.02 and 509,658.98

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Solution

The fourth proportional to 891,837.23, 1,230,385.02 and 509,658.98 is: 703,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,837.23 : 1,230,385.02 = 509,658.98 : x
  2. Step 2: Convert to fraction form
    891,837.23/1,230,385.02 = 509,658.98/x
  3. Step 3: Cross multiply
    891,837.23x = 1,230,385.02 × 509,658.98
  4. Step 4: Simplify right side
    891,837.23x = 627,076,774,300.48
  5. Step 5: Solve for x
    x = 627,076,774,300.48/891,837.23
  6. Step 6: Final answer
    x = 703,129.17

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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.