Home / 897,129.04-1,238,068.90-509,960.67

Finding the Fourth Proportional to 897,129.04, 1,238,068.90 and 509,960.67

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Solution

The fourth proportional to 897,129.04, 1,238,068.90 and 509,960.67 is: 703,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,129.04 : 1,238,068.90 = 509,960.67 : x
  2. Step 2: Convert to fraction form
    897,129.04/1,238,068.90 = 509,960.67/x
  3. Step 3: Cross multiply
    897,129.04x = 1,238,068.90 × 509,960.67
  4. Step 4: Simplify right side
    897,129.04x = 631,366,450,450.03
  5. Step 5: Solve for x
    x = 631,366,450,450.03/897,129.04
  6. Step 6: Final answer
    x = 703,763.25

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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.