Home / 917,235.72-1,374,450.84-384,466.32

Finding the Fourth Proportional to 917,235.72, 1,374,450.84 and 384,466.32

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Solution

The fourth proportional to 917,235.72, 1,374,450.84 and 384,466.32 is: 576,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,235.72 : 1,374,450.84 = 384,466.32 : x
  2. Step 2: Convert to fraction form
    917,235.72/1,374,450.84 = 384,466.32/x
  3. Step 3: Cross multiply
    917,235.72x = 1,374,450.84 × 384,466.32
  4. Step 4: Simplify right side
    917,235.72x = 528,430,056,475.71
  5. Step 5: Solve for x
    x = 528,430,056,475.71/917,235.72
  6. Step 6: Final answer
    x = 576,111.51

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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.