Home / 497,461.03-686,514.59-282,637.49

Finding the Fourth Proportional to 497,461.03, 686,514.59 and 282,637.49

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Solution

The fourth proportional to 497,461.03, 686,514.59 and 282,637.49 is: 390,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,461.03 : 686,514.59 = 282,637.49 : x
  2. Step 2: Convert to fraction form
    497,461.03/686,514.59 = 282,637.49/x
  3. Step 3: Cross multiply
    497,461.03x = 686,514.59 × 282,637.49
  4. Step 4: Simplify right side
    497,461.03x = 194,034,756,780.11
  5. Step 5: Solve for x
    x = 194,034,756,780.11/497,461.03
  6. Step 6: Final answer
    x = 390,050.17

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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.