Home / 637,284.63-879,451.88-346,895.30

Finding the Fourth Proportional to 637,284.63, 879,451.88 and 346,895.30

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Solution

The fourth proportional to 637,284.63, 879,451.88 and 346,895.30 is: 478,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,284.63 : 879,451.88 = 346,895.30 : x
  2. Step 2: Convert to fraction form
    637,284.63/879,451.88 = 346,895.30/x
  3. Step 3: Cross multiply
    637,284.63x = 879,451.88 × 346,895.30
  4. Step 4: Simplify right side
    637,284.63x = 305,077,724,212.32
  5. Step 5: Solve for x
    x = 305,077,724,212.32/637,284.63
  6. Step 6: Final answer
    x = 478,715.02

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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.