Home / 516,300.48-712,545.26-298,518.41

Finding the Fourth Proportional to 516,300.48, 712,545.26 and 298,518.41

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Solution

The fourth proportional to 516,300.48, 712,545.26 and 298,518.41 is: 411,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,300.48 : 712,545.26 = 298,518.41 : x
  2. Step 2: Convert to fraction form
    516,300.48/712,545.26 = 298,518.41/x
  3. Step 3: Cross multiply
    516,300.48x = 712,545.26 × 298,518.41
  4. Step 4: Simplify right side
    516,300.48x = 212,707,878,357.01
  5. Step 5: Solve for x
    x = 212,707,878,357.01/516,300.48
  6. Step 6: Final answer
    x = 411,984.66

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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.