Home / 880,300.84-1,214,844.04-498,319.40

Finding the Fourth Proportional to 880,300.84, 1,214,844.04 and 498,319.40

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Solution

The fourth proportional to 880,300.84, 1,214,844.04 and 498,319.40 is: 687,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,300.84 : 1,214,844.04 = 498,319.40 : x
  2. Step 2: Convert to fraction form
    880,300.84/1,214,844.04 = 498,319.40/x
  3. Step 3: Cross multiply
    880,300.84x = 1,214,844.04 × 498,319.40
  4. Step 4: Simplify right side
    880,300.84x = 605,380,353,106.38
  5. Step 5: Solve for x
    x = 605,380,353,106.38/880,300.84
  6. Step 6: Final answer
    x = 687,697.12

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Double scale
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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.