Home / 649,200.90-973,801.35-618,200.18

Finding the Fourth Proportional to 649,200.90, 973,801.35 and 618,200.18

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Solution

The fourth proportional to 649,200.90, 973,801.35 and 618,200.18 is: 927,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,200.90 : 973,801.35 = 618,200.18 : x
  2. Step 2: Convert to fraction form
    649,200.90/973,801.35 = 618,200.18/x
  3. Step 3: Cross multiply
    649,200.90x = 973,801.35 × 618,200.18
  4. Step 4: Simplify right side
    649,200.90x = 602,004,164,985.24
  5. Step 5: Solve for x
    x = 602,004,164,985.24/649,200.90
  6. Step 6: Final answer
    x = 927,300.26

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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.