Home / 702,139.74-968,948.85-379,848.90

Finding the Fourth Proportional to 702,139.74, 968,948.85 and 379,848.90

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Solution

The fourth proportional to 702,139.74, 968,948.85 and 379,848.90 is: 524,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,139.74 : 968,948.85 = 379,848.90 : x
  2. Step 2: Convert to fraction form
    702,139.74/968,948.85 = 379,848.90/x
  3. Step 3: Cross multiply
    702,139.74x = 968,948.85 × 379,848.90
  4. Step 4: Simplify right side
    702,139.74x = 368,054,154,828.77
  5. Step 5: Solve for x
    x = 368,054,154,828.77/702,139.74
  6. Step 6: Final answer
    x = 524,189.32

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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.