Home / 985,622.69-1,478,427.37-530,428.14

Finding the Fourth Proportional to 985,622.69, 1,478,427.37 and 530,428.14

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Solution

The fourth proportional to 985,622.69, 1,478,427.37 and 530,428.14 is: 795,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,622.69 : 1,478,427.37 = 530,428.14 : x
  2. Step 2: Convert to fraction form
    985,622.69/1,478,427.37 = 530,428.14/x
  3. Step 3: Cross multiply
    985,622.69x = 1,478,427.37 × 530,428.14
  4. Step 4: Simplify right side
    985,622.69x = 784,199,477,342.05
  5. Step 5: Solve for x
    x = 784,199,477,342.05/985,622.69
  6. Step 6: Final answer
    x = 795,638.62

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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.