Home / 497,496.18-686,547.30-282,648.24

Finding the Fourth Proportional to 497,496.18, 686,547.30 and 282,648.24

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Solution

The fourth proportional to 497,496.18, 686,547.30 and 282,648.24 is: 390,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,496.18 : 686,547.30 = 282,648.24 : x
  2. Step 2: Convert to fraction form
    497,496.18/686,547.30 = 282,648.24/x
  3. Step 3: Cross multiply
    497,496.18x = 686,547.30 × 282,648.24
  4. Step 4: Simplify right side
    497,496.18x = 194,051,386,021.75
  5. Step 5: Solve for x
    x = 194,051,386,021.75/497,496.18
  6. Step 6: Final answer
    x = 390,056.03

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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.