Home / 859,547.22-1,289,578.65-346,948.61

Finding the Fourth Proportional to 859,547.22, 1,289,578.65 and 346,948.61

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Solution

The fourth proportional to 859,547.22, 1,289,578.65 and 346,948.61 is: 520,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,547.22 : 1,289,578.65 = 346,948.61 : x
  2. Step 2: Convert to fraction form
    859,547.22/1,289,578.65 = 346,948.61/x
  3. Step 3: Cross multiply
    859,547.22x = 1,289,578.65 × 346,948.61
  4. Step 4: Simplify right side
    859,547.22x = 447,417,513,655.28
  5. Step 5: Solve for x
    x = 447,417,513,655.28/859,547.22
  6. Step 6: Final answer
    x = 520,526.97

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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.