Home / 898,527.99-1,240,019.05-490,667.75

Finding the Fourth Proportional to 898,527.99, 1,240,019.05 and 490,667.75

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Solution

The fourth proportional to 898,527.99, 1,240,019.05 and 490,667.75 is: 677,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,527.99 : 1,240,019.05 = 490,667.75 : x
  2. Step 2: Convert to fraction form
    898,527.99/1,240,019.05 = 490,667.75/x
  3. Step 3: Cross multiply
    898,527.99x = 1,240,019.05 × 490,667.75
  4. Step 4: Simplify right side
    898,527.99x = 608,437,349,793.87
  5. Step 5: Solve for x
    x = 608,437,349,793.87/898,527.99
  6. Step 6: Final answer
    x = 677,149.02

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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.