Home / 873,648.60-1,309,955.76-340,547.28

Finding the Fourth Proportional to 873,648.60, 1,309,955.76 and 340,547.28

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Solution

The fourth proportional to 873,648.60, 1,309,955.76 and 340,547.28 is: 510,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,648.60 : 1,309,955.76 = 340,547.28 : x
  2. Step 2: Convert to fraction form
    873,648.60/1,309,955.76 = 340,547.28/x
  3. Step 3: Cross multiply
    873,648.60x = 1,309,955.76 × 340,547.28
  4. Step 4: Simplify right side
    873,648.60x = 446,101,870,988.33
  5. Step 5: Solve for x
    x = 446,101,870,988.33/873,648.60
  6. Step 6: Final answer
    x = 510,619.34

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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.