Home / 897,419.70-1,346,129.55-578,555.10

Finding the Fourth Proportional to 897,419.70, 1,346,129.55 and 578,555.10

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Solution

The fourth proportional to 897,419.70, 1,346,129.55 and 578,555.10 is: 867,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,419.70 : 1,346,129.55 = 578,555.10 : x
  2. Step 2: Convert to fraction form
    897,419.70/1,346,129.55 = 578,555.10/x
  3. Step 3: Cross multiply
    897,419.70x = 1,346,129.55 × 578,555.10
  4. Step 4: Simplify right side
    897,419.70x = 778,810,116,413.21
  5. Step 5: Solve for x
    x = 778,810,116,413.21/897,419.70
  6. Step 6: Final answer
    x = 867,832.65

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Double scale
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Similar ratio
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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.