Home / 497,357.58-686,148.03-346,542.06

Finding the Fourth Proportional to 497,357.58, 686,148.03 and 346,542.06

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Solution

The fourth proportional to 497,357.58, 686,148.03 and 346,542.06 is: 478,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,357.58 : 686,148.03 = 346,542.06 : x
  2. Step 2: Convert to fraction form
    497,357.58/686,148.03 = 346,542.06/x
  3. Step 3: Cross multiply
    497,357.58x = 686,148.03 × 346,542.06
  4. Step 4: Simplify right side
    497,357.58x = 237,779,151,781.14
  5. Step 5: Solve for x
    x = 237,779,151,781.14/497,357.58
  6. Step 6: Final answer
    x = 478,084.91

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1.5x scale

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.