Home / 611,382.05-842,319.38-473,085.48

Finding the Fourth Proportional to 611,382.05, 842,319.38 and 473,085.48

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Solution

The fourth proportional to 611,382.05, 842,319.38 and 473,085.48 is: 651,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,382.05 : 842,319.38 = 473,085.48 : x
  2. Step 2: Convert to fraction form
    611,382.05/842,319.38 = 473,085.48/x
  3. Step 3: Cross multiply
    611,382.05x = 842,319.38 × 473,085.48
  4. Step 4: Simplify right side
    611,382.05x = 398,489,065,835.18
  5. Step 5: Solve for x
    x = 398,489,065,835.18/611,382.05
  6. Step 6: Final answer
    x = 651,784.05

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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.