Home / 917,460.70-1,266,095.84-509,600.50

Finding the Fourth Proportional to 917,460.70, 1,266,095.84 and 509,600.50

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Solution

The fourth proportional to 917,460.70, 1,266,095.84 and 509,600.50 is: 703,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,460.70 : 1,266,095.84 = 509,600.50 : x
  2. Step 2: Convert to fraction form
    917,460.70/1,266,095.84 = 509,600.50/x
  3. Step 3: Cross multiply
    917,460.70x = 1,266,095.84 × 509,600.50
  4. Step 4: Simplify right side
    917,460.70x = 645,203,073,111.92
  5. Step 5: Solve for x
    x = 645,203,073,111.92/917,460.70
  6. Step 6: Final answer
    x = 703,248.73

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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.