Home / 917,458.70-1,266,093.08-509,598.50

Finding the Fourth Proportional to 917,458.70, 1,266,093.08 and 509,598.50

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Solution

The fourth proportional to 917,458.70, 1,266,093.08 and 509,598.50 is: 703,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,458.70 : 1,266,093.08 = 509,598.50 : x
  2. Step 2: Convert to fraction form
    917,458.70/1,266,093.08 = 509,598.50/x
  3. Step 3: Cross multiply
    917,458.70x = 1,266,093.08 × 509,598.50
  4. Step 4: Simplify right side
    917,458.70x = 645,199,134,428.38
  5. Step 5: Solve for x
    x = 645,199,134,428.38/917,458.70
  6. Step 6: Final answer
    x = 703,245.97

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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.