Home / 719,090.76-1,079,048.28-292,547.87

Finding the Fourth Proportional to 719,090.76, 1,079,048.28 and 292,547.87

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Solution

The fourth proportional to 719,090.76, 1,079,048.28 and 292,547.87 is: 438,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,090.76 : 1,079,048.28 = 292,547.87 : x
  2. Step 2: Convert to fraction form
    719,090.76/1,079,048.28 = 292,547.87/x
  3. Step 3: Cross multiply
    719,090.76x = 1,079,048.28 × 292,547.87
  4. Step 4: Simplify right side
    719,090.76x = 315,673,275,941.16
  5. Step 5: Solve for x
    x = 315,673,275,941.16/719,090.76
  6. Step 6: Final answer
    x = 438,989.48

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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.