Home / 900,095.60-1,349,927.40-520,194.80

Finding the Fourth Proportional to 900,095.60, 1,349,927.40 and 520,194.80

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Solution

The fourth proportional to 900,095.60, 1,349,927.40 and 520,194.80 is: 780,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,095.60 : 1,349,927.40 = 520,194.80 : x
  2. Step 2: Convert to fraction form
    900,095.60/1,349,927.40 = 520,194.80/x
  3. Step 3: Cross multiply
    900,095.60x = 1,349,927.40 × 520,194.80
  4. Step 4: Simplify right side
    900,095.60x = 702,225,213,857.52
  5. Step 5: Solve for x
    x = 702,225,213,857.52/900,095.60
  6. Step 6: Final answer
    x = 780,167.37

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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.