Home / 585,827.20-878,740.80-346,326.40

Finding the Fourth Proportional to 585,827.20, 878,740.80 and 346,326.40

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Solution

The fourth proportional to 585,827.20, 878,740.80 and 346,326.40 is: 519,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,827.20 : 878,740.80 = 346,326.40 : x
  2. Step 2: Convert to fraction form
    585,827.20/878,740.80 = 346,326.40/x
  3. Step 3: Cross multiply
    585,827.20x = 878,740.80 × 346,326.40
  4. Step 4: Simplify right side
    585,827.20x = 304,331,137,797.12
  5. Step 5: Solve for x
    x = 304,331,137,797.12/585,827.20
  6. Step 6: Final answer
    x = 519,489.60

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1.5x scale

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.