Home / 781,501.48-1,172,239.40-249,015.30

Finding the Fourth Proportional to 781,501.48, 1,172,239.40 and 249,015.30

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Solution

The fourth proportional to 781,501.48, 1,172,239.40 and 249,015.30 is: 373,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,501.48 : 1,172,239.40 = 249,015.30 : x
  2. Step 2: Convert to fraction form
    781,501.48/1,172,239.40 = 249,015.30/x
  3. Step 3: Cross multiply
    781,501.48x = 1,172,239.40 × 249,015.30
  4. Step 4: Simplify right side
    781,501.48x = 291,905,545,862.82
  5. Step 5: Solve for x
    x = 291,905,545,862.82/781,501.48
  6. Step 6: Final answer
    x = 373,518.87

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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.