Home / 578,071.20-867,106.80-554,743.20

Finding the Fourth Proportional to 578,071.20, 867,106.80 and 554,743.20

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Solution

The fourth proportional to 578,071.20, 867,106.80 and 554,743.20 is: 832,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,071.20 : 867,106.80 = 554,743.20 : x
  2. Step 2: Convert to fraction form
    578,071.20/867,106.80 = 554,743.20/x
  3. Step 3: Cross multiply
    578,071.20x = 867,106.80 × 554,743.20
  4. Step 4: Simplify right side
    578,071.20x = 481,021,600,973.76
  5. Step 5: Solve for x
    x = 481,021,600,973.76/578,071.20
  6. Step 6: Final answer
    x = 832,114.80

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Double scale
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Similar ratio
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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.