Home / 908,052.20-1,362,855.90-403,389.80

Finding the Fourth Proportional to 908,052.20, 1,362,855.90 and 403,389.80

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Solution

The fourth proportional to 908,052.20, 1,362,855.90 and 403,389.80 is: 605,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,052.20 : 1,362,855.90 = 403,389.80 : x
  2. Step 2: Convert to fraction form
    908,052.20/1,362,855.90 = 403,389.80/x
  3. Step 3: Cross multiply
    908,052.20x = 1,362,855.90 × 403,389.80
  4. Step 4: Simplify right side
    908,052.20x = 549,762,168,929.82
  5. Step 5: Solve for x
    x = 549,762,168,929.82/908,052.20
  6. Step 6: Final answer
    x = 605,430.14

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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.