Home / 909,951.42-1,365,089.13-310,979.10

Finding the Fourth Proportional to 909,951.42, 1,365,089.13 and 310,979.10

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Solution

The fourth proportional to 909,951.42, 1,365,089.13 and 310,979.10 is: 466,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,951.42 : 1,365,089.13 = 310,979.10 : x
  2. Step 2: Convert to fraction form
    909,951.42/1,365,089.13 = 310,979.10/x
  3. Step 3: Cross multiply
    909,951.42x = 1,365,089.13 × 310,979.10
  4. Step 4: Simplify right side
    909,951.42x = 424,514,189,067.18
  5. Step 5: Solve for x
    x = 424,514,189,067.18/909,951.42
  6. Step 6: Final answer
    x = 466,524.01

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1.5x scale

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.