Home / 899,106.04-1,348,853.46-478,320.76

Finding the Fourth Proportional to 899,106.04, 1,348,853.46 and 478,320.76

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Solution

The fourth proportional to 899,106.04, 1,348,853.46 and 478,320.76 is: 717,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,106.04 : 1,348,853.46 = 478,320.76 : x
  2. Step 2: Convert to fraction form
    899,106.04/1,348,853.46 = 478,320.76/x
  3. Step 3: Cross multiply
    899,106.04x = 1,348,853.46 × 478,320.76
  4. Step 4: Simplify right side
    899,106.04x = 645,184,612,115.83
  5. Step 5: Solve for x
    x = 645,184,612,115.83/899,106.04
  6. Step 6: Final answer
    x = 717,584.56

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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.