Home / 459,816.08-634,564.13-278,425.49

Finding the Fourth Proportional to 459,816.08, 634,564.13 and 278,425.49

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Solution

The fourth proportional to 459,816.08, 634,564.13 and 278,425.49 is: 384,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,816.08 : 634,564.13 = 278,425.49 : x
  2. Step 2: Convert to fraction form
    459,816.08/634,564.13 = 278,425.49/x
  3. Step 3: Cross multiply
    459,816.08x = 634,564.13 × 278,425.49
  4. Step 4: Simplify right side
    459,816.08x = 176,678,824,266.73
  5. Step 5: Solve for x
    x = 176,678,824,266.73/459,816.08
  6. Step 6: Final answer
    x = 384,238.03

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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.