Home / 426,979.80-589,210.93-235,988.28

Finding the Fourth Proportional to 426,979.80, 589,210.93 and 235,988.28

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Solution

The fourth proportional to 426,979.80, 589,210.93 and 235,988.28 is: 325,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,979.80 : 589,210.93 = 235,988.28 : x
  2. Step 2: Convert to fraction form
    426,979.80/589,210.93 = 235,988.28/x
  3. Step 3: Cross multiply
    426,979.80x = 589,210.93 × 235,988.28
  4. Step 4: Simplify right side
    426,979.80x = 139,046,873,927.90
  5. Step 5: Solve for x
    x = 139,046,873,927.90/426,979.80
  6. Step 6: Final answer
    x = 325,652.11

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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.