Home / 602,617.02-831,583.32-330,678.06

Finding the Fourth Proportional to 602,617.02, 831,583.32 and 330,678.06

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Solution

The fourth proportional to 602,617.02, 831,583.32 and 330,678.06 is: 456,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,617.02 : 831,583.32 = 330,678.06 : x
  2. Step 2: Convert to fraction form
    602,617.02/831,583.32 = 330,678.06/x
  3. Step 3: Cross multiply
    602,617.02x = 831,583.32 × 330,678.06
  4. Step 4: Simplify right side
    602,617.02x = 274,986,358,985.96
  5. Step 5: Solve for x
    x = 274,986,358,985.96/602,617.02
  6. Step 6: Final answer
    x = 456,320.27

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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.