Home / 821,547.20-1,133,622.96-458,926.22

Finding the Fourth Proportional to 821,547.20, 1,133,622.96 and 458,926.22

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Solution

The fourth proportional to 821,547.20, 1,133,622.96 and 458,926.22 is: 633,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,547.20 : 1,133,622.96 = 458,926.22 : x
  2. Step 2: Convert to fraction form
    821,547.20/1,133,622.96 = 458,926.22/x
  3. Step 3: Cross multiply
    821,547.20x = 1,133,622.96 × 458,926.22
  4. Step 4: Simplify right side
    821,547.20x = 520,249,299,938.01
  5. Step 5: Solve for x
    x = 520,249,299,938.01/821,547.20
  6. Step 6: Final answer
    x = 633,255.52

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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.