Home / 808,602.12-1,212,547.95-302,808.36

Finding the Fourth Proportional to 808,602.12, 1,212,547.95 and 302,808.36

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Solution

The fourth proportional to 808,602.12, 1,212,547.95 and 302,808.36 is: 454,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,602.12 : 1,212,547.95 = 302,808.36 : x
  2. Step 2: Convert to fraction form
    808,602.12/1,212,547.95 = 302,808.36/x
  3. Step 3: Cross multiply
    808,602.12x = 1,212,547.95 × 302,808.36
  4. Step 4: Simplify right side
    808,602.12x = 367,169,656,160.86
  5. Step 5: Solve for x
    x = 367,169,656,160.86/808,602.12
  6. Step 6: Final answer
    x = 454,079.51

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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.