Home / 864,005.80-1,296,008.70-302,967.40

Finding the Fourth Proportional to 864,005.80, 1,296,008.70 and 302,967.40

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Solution

The fourth proportional to 864,005.80, 1,296,008.70 and 302,967.40 is: 454,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,005.80 : 1,296,008.70 = 302,967.40 : x
  2. Step 2: Convert to fraction form
    864,005.80/1,296,008.70 = 302,967.40/x
  3. Step 3: Cross multiply
    864,005.80x = 1,296,008.70 × 302,967.40
  4. Step 4: Simplify right side
    864,005.80x = 392,648,386,216.38
  5. Step 5: Solve for x
    x = 392,648,386,216.38/864,005.80
  6. Step 6: Final answer
    x = 454,451.10

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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.