Home / 665,905.32-918,935.40-364,099.32

Finding the Fourth Proportional to 665,905.32, 918,935.40 and 364,099.32

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Solution

The fourth proportional to 665,905.32, 918,935.40 and 364,099.32 is: 502,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,905.32 : 918,935.40 = 364,099.32 : x
  2. Step 2: Convert to fraction form
    665,905.32/918,935.40 = 364,099.32/x
  3. Step 3: Cross multiply
    665,905.32x = 918,935.40 × 364,099.32
  4. Step 4: Simplify right side
    665,905.32x = 334,583,754,263.93
  5. Step 5: Solve for x
    x = 334,583,754,263.93/665,905.32
  6. Step 6: Final answer
    x = 502,449.44

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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.