Home / 692,148.80-1,038,223.20-376,443.20

Finding the Fourth Proportional to 692,148.80, 1,038,223.20 and 376,443.20

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Solution

The fourth proportional to 692,148.80, 1,038,223.20 and 376,443.20 is: 564,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,148.80 : 1,038,223.20 = 376,443.20 : x
  2. Step 2: Convert to fraction form
    692,148.80/1,038,223.20 = 376,443.20/x
  3. Step 3: Cross multiply
    692,148.80x = 1,038,223.20 × 376,443.20
  4. Step 4: Simplify right side
    692,148.80x = 390,832,063,722.24
  5. Step 5: Solve for x
    x = 390,832,063,722.24/692,148.80
  6. Step 6: Final answer
    x = 564,664.80

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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.