Home / 845,577.90-1,266,676.86-508,433.94

Finding the Fourth Proportional to 845,577.90, 1,266,676.86 and 508,433.94

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Solution

The fourth proportional to 845,577.90, 1,266,676.86 and 508,433.94 is: 761,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,577.90 : 1,266,676.86 = 508,433.94 : x
  2. Step 2: Convert to fraction form
    845,577.90/1,266,676.86 = 508,433.94/x
  3. Step 3: Cross multiply
    845,577.90x = 1,266,676.86 × 508,433.94
  4. Step 4: Simplify right side
    845,577.90x = 644,021,506,636.63
  5. Step 5: Solve for x
    x = 644,021,506,636.63/845,577.90
  6. Step 6: Final answer
    x = 761,634.74

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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.