Home / 507,016.32-761,272.09-282,814.80

Finding the Fourth Proportional to 507,016.32, 761,272.09 and 282,814.80

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Solution

The fourth proportional to 507,016.32, 761,272.09 and 282,814.80 is: 424,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,016.32 : 761,272.09 = 282,814.80 : x
  2. Step 2: Convert to fraction form
    507,016.32/761,272.09 = 282,814.80/x
  3. Step 3: Cross multiply
    507,016.32x = 761,272.09 × 282,814.80
  4. Step 4: Simplify right side
    507,016.32x = 215,299,013,878.93
  5. Step 5: Solve for x
    x = 215,299,013,878.93/507,016.32
  6. Step 6: Final answer
    x = 424,639.22

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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.