Home / 762,153.84-1,051,696.51-439,967.70

Finding the Fourth Proportional to 762,153.84, 1,051,696.51 and 439,967.70

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Solution

The fourth proportional to 762,153.84, 1,051,696.51 and 439,967.70 is: 607,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,153.84 : 1,051,696.51 = 439,967.70 : x
  2. Step 2: Convert to fraction form
    762,153.84/1,051,696.51 = 439,967.70/x
  3. Step 3: Cross multiply
    762,153.84x = 1,051,696.51 × 439,967.70
  4. Step 4: Simplify right side
    762,153.84x = 462,712,493,502.81
  5. Step 5: Solve for x
    x = 462,712,493,502.81/762,153.84
  6. Step 6: Final answer
    x = 607,111.67

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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.