Home / 803,461.95-1,109,296.89-497,862.63

Finding the Fourth Proportional to 803,461.95, 1,109,296.89 and 497,862.63

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Solution

The fourth proportional to 803,461.95, 1,109,296.89 and 497,862.63 is: 687,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,461.95 : 1,109,296.89 = 497,862.63 : x
  2. Step 2: Convert to fraction form
    803,461.95/1,109,296.89 = 497,862.63/x
  3. Step 3: Cross multiply
    803,461.95x = 1,109,296.89 × 497,862.63
  4. Step 4: Simplify right side
    803,461.95x = 552,277,467,106.22
  5. Step 5: Solve for x
    x = 552,277,467,106.22/803,461.95
  6. Step 6: Final answer
    x = 687,372.27

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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.