Home / 670,156.90-1,004,670.12-290,792.39

Finding the Fourth Proportional to 670,156.90, 1,004,670.12 and 290,792.39

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Solution

The fourth proportional to 670,156.90, 1,004,670.12 and 290,792.39 is: 435,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,156.90 : 1,004,670.12 = 290,792.39 : x
  2. Step 2: Convert to fraction form
    670,156.90/1,004,670.12 = 290,792.39/x
  3. Step 3: Cross multiply
    670,156.90x = 1,004,670.12 × 290,792.39
  4. Step 4: Simplify right side
    670,156.90x = 292,150,425,356.39
  5. Step 5: Solve for x
    x = 292,150,425,356.39/670,156.90
  6. Step 6: Final answer
    x = 435,943.32

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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.