Home / 648,822.20-972,941.70-249,330.20

Finding the Fourth Proportional to 648,822.20, 972,941.70 and 249,330.20

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Solution

The fourth proportional to 648,822.20, 972,941.70 and 249,330.20 is: 373,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,822.20 : 972,941.70 = 249,330.20 : x
  2. Step 2: Convert to fraction form
    648,822.20/972,941.70 = 249,330.20/x
  3. Step 3: Cross multiply
    648,822.20x = 972,941.70 × 249,330.20
  4. Step 4: Simplify right side
    648,822.20x = 242,583,748,649.34
  5. Step 5: Solve for x
    x = 242,583,748,649.34/648,822.20
  6. Step 6: Final answer
    x = 373,883.24

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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.