Home / 602,192.90-831,036.86-330,258.42

Finding the Fourth Proportional to 602,192.90, 831,036.86 and 330,258.42

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Solution

The fourth proportional to 602,192.90, 831,036.86 and 330,258.42 is: 455,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,192.90 : 831,036.86 = 330,258.42 : x
  2. Step 2: Convert to fraction form
    602,192.90/831,036.86 = 330,258.42/x
  3. Step 3: Cross multiply
    602,192.90x = 831,036.86 × 330,258.42
  4. Step 4: Simplify right side
    602,192.90x = 274,456,920,345.36
  5. Step 5: Solve for x
    x = 274,456,920,345.36/602,192.90
  6. Step 6: Final answer
    x = 455,762.46

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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.