Home / 971,302.40-1,456,516.20-438,549.20

Finding the Fourth Proportional to 971,302.40, 1,456,516.20 and 438,549.20

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Solution

The fourth proportional to 971,302.40, 1,456,516.20 and 438,549.20 is: 657,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,302.40 : 1,456,516.20 = 438,549.20 : x
  2. Step 2: Convert to fraction form
    971,302.40/1,456,516.20 = 438,549.20/x
  3. Step 3: Cross multiply
    971,302.40x = 1,456,516.20 × 438,549.20
  4. Step 4: Simplify right side
    971,302.40x = 638,754,014,297.04
  5. Step 5: Solve for x
    x = 638,754,014,297.04/971,302.40
  6. Step 6: Final answer
    x = 657,626.31

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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.