Home / 898,848.35-1,240,408.72-516,875.16

Finding the Fourth Proportional to 898,848.35, 1,240,408.72 and 516,875.16

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Solution

The fourth proportional to 898,848.35, 1,240,408.72 and 516,875.16 is: 713,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,848.35 : 1,240,408.72 = 516,875.16 : x
  2. Step 2: Convert to fraction form
    898,848.35/1,240,408.72 = 516,875.16/x
  3. Step 3: Cross multiply
    898,848.35x = 1,240,408.72 × 516,875.16
  4. Step 4: Simplify right side
    898,848.35x = 641,136,455,615.40
  5. Step 5: Solve for x
    x = 641,136,455,615.40/898,848.35
  6. Step 6: Final answer
    x = 713,286.57

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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.