Home / 970,320.60-1,455,480.90-438,096.60

Finding the Fourth Proportional to 970,320.60, 1,455,480.90 and 438,096.60

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Solution

The fourth proportional to 970,320.60, 1,455,480.90 and 438,096.60 is: 657,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,320.60 : 1,455,480.90 = 438,096.60 : x
  2. Step 2: Convert to fraction form
    970,320.60/1,455,480.90 = 438,096.60/x
  3. Step 3: Cross multiply
    970,320.60x = 1,455,480.90 × 438,096.60
  4. Step 4: Simplify right side
    970,320.60x = 637,641,233,654.94
  5. Step 5: Solve for x
    x = 637,641,233,654.94/970,320.60
  6. Step 6: Final answer
    x = 657,144.90

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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.