Home / 346,723.40-520,085.10-307,065.80

Finding the Fourth Proportional to 346,723.40, 520,085.10 and 307,065.80

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Solution

The fourth proportional to 346,723.40, 520,085.10 and 307,065.80 is: 460,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.40 : 520,085.10 = 307,065.80 : x
  2. Step 2: Convert to fraction form
    346,723.40/520,085.10 = 307,065.80/x
  3. Step 3: Cross multiply
    346,723.40x = 520,085.10 × 307,065.80
  4. Step 4: Simplify right side
    346,723.40x = 159,700,347,299.58
  5. Step 5: Solve for x
    x = 159,700,347,299.58/346,723.40
  6. Step 6: Final answer
    x = 460,598.70

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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.