Home / 977,975.51-1,350,048.06-615,931.29

Finding the Fourth Proportional to 977,975.51, 1,350,048.06 and 615,931.29

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Solution

The fourth proportional to 977,975.51, 1,350,048.06 and 615,931.29 is: 850,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,975.51 : 1,350,048.06 = 615,931.29 : x
  2. Step 2: Convert to fraction form
    977,975.51/1,350,048.06 = 615,931.29/x
  3. Step 3: Cross multiply
    977,975.51x = 1,350,048.06 × 615,931.29
  4. Step 4: Simplify right side
    977,975.51x = 831,536,843,157.80
  5. Step 5: Solve for x
    x = 831,536,843,157.80/977,975.51
  6. Step 6: Final answer
    x = 850,263.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.