Home / 702,921.10-970,035.74-380,631.23

Finding the Fourth Proportional to 702,921.10, 970,035.74 and 380,631.23

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Solution

The fourth proportional to 702,921.10, 970,035.74 and 380,631.23 is: 525,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,921.10 : 970,035.74 = 380,631.23 : x
  2. Step 2: Convert to fraction form
    702,921.10/970,035.74 = 380,631.23/x
  3. Step 3: Cross multiply
    702,921.10x = 970,035.74 × 380,631.23
  4. Step 4: Simplify right side
    702,921.10x = 369,225,896,860.16
  5. Step 5: Solve for x
    x = 369,225,896,860.16/702,921.10
  6. Step 6: Final answer
    x = 525,273.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.