Home / 346,730.40-520,095.60-307,072.80

Finding the Fourth Proportional to 346,730.40, 520,095.60 and 307,072.80

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Solution

The fourth proportional to 346,730.40, 520,095.60 and 307,072.80 is: 460,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,730.40 : 520,095.60 = 307,072.80 : x
  2. Step 2: Convert to fraction form
    346,730.40/520,095.60 = 307,072.80/x
  3. Step 3: Cross multiply
    346,730.40x = 520,095.60 × 307,072.80
  4. Step 4: Simplify right side
    346,730.40x = 159,707,212,159.68
  5. Step 5: Solve for x
    x = 159,707,212,159.68/346,730.40
  6. Step 6: Final answer
    x = 460,609.20

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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.