Home / 897,938.04-1,239,180.60-490,066.08

Finding the Fourth Proportional to 897,938.04, 1,239,180.60 and 490,066.08

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Solution

The fourth proportional to 897,938.04, 1,239,180.60 and 490,066.08 is: 676,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,938.04 : 1,239,180.60 = 490,066.08 : x
  2. Step 2: Convert to fraction form
    897,938.04/1,239,180.60 = 490,066.08/x
  3. Step 3: Cross multiply
    897,938.04x = 1,239,180.60 × 490,066.08
  4. Step 4: Simplify right side
    897,938.04x = 607,280,379,054.05
  5. Step 5: Solve for x
    x = 607,280,379,054.05/897,938.04
  6. Step 6: Final answer
    x = 676,305.44

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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.