Home / 634,428.37-875,509.38-362,580.62

Finding the Fourth Proportional to 634,428.37, 875,509.38 and 362,580.62

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Solution

The fourth proportional to 634,428.37, 875,509.38 and 362,580.62 is: 500,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,428.37 : 875,509.38 = 362,580.62 : x
  2. Step 2: Convert to fraction form
    634,428.37/875,509.38 = 362,580.62/x
  3. Step 3: Cross multiply
    634,428.37x = 875,509.38 × 362,580.62
  4. Step 4: Simplify right side
    634,428.37x = 317,442,733,816.22
  5. Step 5: Solve for x
    x = 317,442,733,816.22/634,428.37
  6. Step 6: Final answer
    x = 500,360.25

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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.