Home / 554,412.32-831,532.08-180,432.80

Finding the Fourth Proportional to 554,412.32, 831,532.08 and 180,432.80

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Solution

The fourth proportional to 554,412.32, 831,532.08 and 180,432.80 is: 270,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,412.32 : 831,532.08 = 180,432.80 : x
  2. Step 2: Convert to fraction form
    554,412.32/831,532.08 = 180,432.80/x
  3. Step 3: Cross multiply
    554,412.32x = 831,532.08 × 180,432.80
  4. Step 4: Simplify right side
    554,412.32x = 150,035,661,484.22
  5. Step 5: Solve for x
    x = 150,035,661,484.22/554,412.32
  6. Step 6: Final answer
    x = 270,621.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.