Home / 514,117.18-709,261.88-310,052.06

Finding the Fourth Proportional to 514,117.18, 709,261.88 and 310,052.06

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Solution

The fourth proportional to 514,117.18, 709,261.88 and 310,052.06 is: 427,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,117.18 : 709,261.88 = 310,052.06 : x
  2. Step 2: Convert to fraction form
    514,117.18/709,261.88 = 310,052.06/x
  3. Step 3: Cross multiply
    514,117.18x = 709,261.88 × 310,052.06
  4. Step 4: Simplify right side
    514,117.18x = 219,908,106,973.47
  5. Step 5: Solve for x
    x = 219,908,106,973.47/514,117.18
  6. Step 6: Final answer
    x = 427,739.27

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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.