Home / 709,435.38-1,064,526.74-410,126.17

Finding the Fourth Proportional to 709,435.38, 1,064,526.74 and 410,126.17

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Solution

The fourth proportional to 709,435.38, 1,064,526.74 and 410,126.17 is: 615,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,435.38 : 1,064,526.74 = 410,126.17 : x
  2. Step 2: Convert to fraction form
    709,435.38/1,064,526.74 = 410,126.17/x
  3. Step 3: Cross multiply
    709,435.38x = 1,064,526.74 × 410,126.17
  4. Step 4: Simplify right side
    709,435.38x = 436,590,271,564.81
  5. Step 5: Solve for x
    x = 436,590,271,564.81/709,435.38
  6. Step 6: Final answer
    x = 615,405.27

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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.