Home / 388,828.76-536,734.15-303,973.16

Finding the Fourth Proportional to 388,828.76, 536,734.15 and 303,973.16

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Solution

The fourth proportional to 388,828.76, 536,734.15 and 303,973.16 is: 419,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,828.76 : 536,734.15 = 303,973.16 : x
  2. Step 2: Convert to fraction form
    388,828.76/536,734.15 = 303,973.16/x
  3. Step 3: Cross multiply
    388,828.76x = 536,734.15 × 303,973.16
  4. Step 4: Simplify right side
    388,828.76x = 163,152,772,211.81
  5. Step 5: Solve for x
    x = 163,152,772,211.81/388,828.76
  6. Step 6: Final answer
    x = 419,600.58

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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.