Home / 867,647.36-1,301,466.36-578,848.16

Finding the Fourth Proportional to 867,647.36, 1,301,466.36 and 578,848.16

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Solution

The fourth proportional to 867,647.36, 1,301,466.36 and 578,848.16 is: 868,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,647.36 : 1,301,466.36 = 578,848.16 : x
  2. Step 2: Convert to fraction form
    867,647.36/1,301,466.36 = 578,848.16/x
  3. Step 3: Cross multiply
    867,647.36x = 1,301,466.36 × 578,848.16
  4. Step 4: Simplify right side
    867,647.36x = 753,351,407,787.90
  5. Step 5: Solve for x
    x = 753,351,407,787.90/867,647.36
  6. Step 6: Final answer
    x = 868,269.12

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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.