Home / 607,619.18-910,865.32-208,165.02

Finding the Fourth Proportional to 607,619.18, 910,865.32 and 208,165.02

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Solution

The fourth proportional to 607,619.18, 910,865.32 and 208,165.02 is: 312,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,619.18 : 910,865.32 = 208,165.02 : x
  2. Step 2: Convert to fraction form
    607,619.18/910,865.32 = 208,165.02/x
  3. Step 3: Cross multiply
    607,619.18x = 910,865.32 × 208,165.02
  4. Step 4: Simplify right side
    607,619.18x = 189,610,297,555.11
  5. Step 5: Solve for x
    x = 189,610,297,555.11/607,619.18
  6. Step 6: Final answer
    x = 312,054.50

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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.