Home / 589,612.40-884,418.60-402,988.40

Finding the Fourth Proportional to 589,612.40, 884,418.60 and 402,988.40

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Solution

The fourth proportional to 589,612.40, 884,418.60 and 402,988.40 is: 604,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,612.40 : 884,418.60 = 402,988.40 : x
  2. Step 2: Convert to fraction form
    589,612.40/884,418.60 = 402,988.40/x
  3. Step 3: Cross multiply
    589,612.40x = 884,418.60 × 402,988.40
  4. Step 4: Simplify right side
    589,612.40x = 356,410,436,544.24
  5. Step 5: Solve for x
    x = 356,410,436,544.24/589,612.40
  6. Step 6: Final answer
    x = 604,482.60

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Double scale
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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.