Home / 702,927.03-970,037.55-380,637.11

Finding the Fourth Proportional to 702,927.03, 970,037.55 and 380,637.11

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Solution

The fourth proportional to 702,927.03, 970,037.55 and 380,637.11 is: 525,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,927.03 : 970,037.55 = 380,637.11 : x
  2. Step 2: Convert to fraction form
    702,927.03/970,037.55 = 380,637.11/x
  3. Step 3: Cross multiply
    702,927.03x = 970,037.55 × 380,637.11
  4. Step 4: Simplify right side
    702,927.03x = 369,232,282,870.11
  5. Step 5: Solve for x
    x = 369,232,282,870.11/702,927.03
  6. Step 6: Final answer
    x = 525,278.26

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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.