Home / 513,465.48-708,527.83-283,986.30

Finding the Fourth Proportional to 513,465.48, 708,527.83 and 283,986.30

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Solution

The fourth proportional to 513,465.48, 708,527.83 and 283,986.30 is: 391,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,465.48 : 708,527.83 = 283,986.30 : x
  2. Step 2: Convert to fraction form
    513,465.48/708,527.83 = 283,986.30/x
  3. Step 3: Cross multiply
    513,465.48x = 708,527.83 × 283,986.30
  4. Step 4: Simplify right side
    513,465.48x = 201,212,196,178.76
  5. Step 5: Solve for x
    x = 201,212,196,178.76/513,465.48
  6. Step 6: Final answer
    x = 391,870.93

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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.