Home / 808,547.96-1,115,801.45-445,981.61

Finding the Fourth Proportional to 808,547.96, 1,115,801.45 and 445,981.61

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Solution

The fourth proportional to 808,547.96, 1,115,801.45 and 445,981.61 is: 615,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,547.96 : 1,115,801.45 = 445,981.61 : x
  2. Step 2: Convert to fraction form
    808,547.96/1,115,801.45 = 445,981.61/x
  3. Step 3: Cross multiply
    808,547.96x = 1,115,801.45 × 445,981.61
  4. Step 4: Simplify right side
    808,547.96x = 497,626,919,302.42
  5. Step 5: Solve for x
    x = 497,626,919,302.42/808,547.96
  6. Step 6: Final answer
    x = 615,457.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.