Home / 698,429.20-1,046,952.60-343,152.40

Finding the Fourth Proportional to 698,429.20, 1,046,952.60 and 343,152.40

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Solution

The fourth proportional to 698,429.20, 1,046,952.60 and 343,152.40 is: 514,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,429.20 : 1,046,952.60 = 343,152.40 : x
  2. Step 2: Convert to fraction form
    698,429.20/1,046,952.60 = 343,152.40/x
  3. Step 3: Cross multiply
    698,429.20x = 1,046,952.60 × 343,152.40
  4. Step 4: Simplify right side
    698,429.20x = 359,264,297,376.24
  5. Step 5: Solve for x
    x = 359,264,297,376.24/698,429.20
  6. Step 6: Final answer
    x = 514,389.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.