Home / 757,490.52-1,045,865.34-471,139.32

Finding the Fourth Proportional to 757,490.52, 1,045,865.34 and 471,139.32

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Solution

The fourth proportional to 757,490.52, 1,045,865.34 and 471,139.32 is: 650,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,490.52 : 1,045,865.34 = 471,139.32 : x
  2. Step 2: Convert to fraction form
    757,490.52/1,045,865.34 = 471,139.32/x
  3. Step 3: Cross multiply
    757,490.52x = 1,045,865.34 × 471,139.32
  4. Step 4: Simplify right side
    757,490.52x = 492,748,285,099.17
  5. Step 5: Solve for x
    x = 492,748,285,099.17/757,490.52
  6. Step 6: Final answer
    x = 650,500.93

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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.