Home / 787,547.40-1,182,195.90-488,365.80

Finding the Fourth Proportional to 787,547.40, 1,182,195.90 and 488,365.80

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Solution

The fourth proportional to 787,547.40, 1,182,195.90 and 488,365.80 is: 733,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,547.40 : 1,182,195.90 = 488,365.80 : x
  2. Step 2: Convert to fraction form
    787,547.40/1,182,195.90 = 488,365.80/x
  3. Step 3: Cross multiply
    787,547.40x = 1,182,195.90 × 488,365.80
  4. Step 4: Simplify right side
    787,547.40x = 577,344,046,460.22
  5. Step 5: Solve for x
    x = 577,344,046,460.22/787,547.40
  6. Step 6: Final answer
    x = 733,091.17

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Double scale
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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.