Home / 868,362.40-1,302,557.04-307,004.32

Finding the Fourth Proportional to 868,362.40, 1,302,557.04 and 307,004.32

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Solution

The fourth proportional to 868,362.40, 1,302,557.04 and 307,004.32 is: 460,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,362.40 : 1,302,557.04 = 307,004.32 : x
  2. Step 2: Convert to fraction form
    868,362.40/1,302,557.04 = 307,004.32/x
  3. Step 3: Cross multiply
    868,362.40x = 1,302,557.04 × 307,004.32
  4. Step 4: Simplify right side
    868,362.40x = 399,890,638,326.41
  5. Step 5: Solve for x
    x = 399,890,638,326.41/868,362.40
  6. Step 6: Final answer
    x = 460,511.23

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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.