Home / 759,563.92-1,047,363.56-487,529.07

Finding the Fourth Proportional to 759,563.92, 1,047,363.56 and 487,529.07

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Solution

The fourth proportional to 759,563.92, 1,047,363.56 and 487,529.07 is: 672,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,563.92 : 1,047,363.56 = 487,529.07 : x
  2. Step 2: Convert to fraction form
    759,563.92/1,047,363.56 = 487,529.07/x
  3. Step 3: Cross multiply
    759,563.92x = 1,047,363.56 × 487,529.07
  4. Step 4: Simplify right side
    759,563.92x = 510,620,174,684.23
  5. Step 5: Solve for x
    x = 510,620,174,684.23/759,563.92
  6. Step 6: Final answer
    x = 672,254.38

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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.