Home / 897,905.03-1,239,135.06-490,033.10

Finding the Fourth Proportional to 897,905.03, 1,239,135.06 and 490,033.10

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Solution

The fourth proportional to 897,905.03, 1,239,135.06 and 490,033.10 is: 676,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,905.03 : 1,239,135.06 = 490,033.10 : x
  2. Step 2: Convert to fraction form
    897,905.03/1,239,135.06 = 490,033.10/x
  3. Step 3: Cross multiply
    897,905.03x = 1,239,135.06 × 490,033.10
  4. Step 4: Simplify right side
    897,905.03x = 607,217,188,574.81
  5. Step 5: Solve for x
    x = 607,217,188,574.81/897,905.03
  6. Step 6: Final answer
    x = 676,259.93

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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.