Home / 688,357.08-949,167.01-470,601.33

Finding the Fourth Proportional to 688,357.08, 949,167.01 and 470,601.33

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Solution

The fourth proportional to 688,357.08, 949,167.01 and 470,601.33 is: 648,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,357.08 : 949,167.01 = 470,601.33 : x
  2. Step 2: Convert to fraction form
    688,357.08/949,167.01 = 470,601.33/x
  3. Step 3: Cross multiply
    688,357.08x = 949,167.01 × 470,601.33
  4. Step 4: Simplify right side
    688,357.08x = 446,679,257,298.12
  5. Step 5: Solve for x
    x = 446,679,257,298.12/688,357.08
  6. Step 6: Final answer
    x = 648,906.32

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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.