Home / 908,393.40-1,362,590.10-670,447.80

Finding the Fourth Proportional to 908,393.40, 1,362,590.10 and 670,447.80

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Solution

The fourth proportional to 908,393.40, 1,362,590.10 and 670,447.80 is: 1,005,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,393.40 : 1,362,590.10 = 670,447.80 : x
  2. Step 2: Convert to fraction form
    908,393.40/1,362,590.10 = 670,447.80/x
  3. Step 3: Cross multiply
    908,393.40x = 1,362,590.10 × 670,447.80
  4. Step 4: Simplify right side
    908,393.40x = 913,545,534,846.78
  5. Step 5: Solve for x
    x = 913,545,534,846.78/908,393.40
  6. Step 6: Final answer
    x = 1,005,671.70

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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.