Home / 719,090.51-1,079,047.90-292,547.62

Finding the Fourth Proportional to 719,090.51, 1,079,047.90 and 292,547.62

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Solution

The fourth proportional to 719,090.51, 1,079,047.90 and 292,547.62 is: 438,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,090.51 : 1,079,047.90 = 292,547.62 : x
  2. Step 2: Convert to fraction form
    719,090.51/1,079,047.90 = 292,547.62/x
  3. Step 3: Cross multiply
    719,090.51x = 1,079,047.90 × 292,547.62
  4. Step 4: Simplify right side
    719,090.51x = 315,672,895,011.00
  5. Step 5: Solve for x
    x = 315,672,895,011.00/719,090.51
  6. Step 6: Final answer
    x = 438,989.10

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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.