Home / 713,865.63-1,070,683.54-208,307.91

Finding the Fourth Proportional to 713,865.63, 1,070,683.54 and 208,307.91

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Solution

The fourth proportional to 713,865.63, 1,070,683.54 and 208,307.91 is: 312,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,865.63 : 1,070,683.54 = 208,307.91 : x
  2. Step 2: Convert to fraction form
    713,865.63/1,070,683.54 = 208,307.91/x
  3. Step 3: Cross multiply
    713,865.63x = 1,070,683.54 × 208,307.91
  4. Step 4: Simplify right side
    713,865.63x = 223,031,850,488.80
  5. Step 5: Solve for x
    x = 223,031,850,488.80/713,865.63
  6. Step 6: Final answer
    x = 312,428.34

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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.