Home / 788,492.49-1,088,119.48-425,916.36

Finding the Fourth Proportional to 788,492.49, 1,088,119.48 and 425,916.36

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Solution

The fourth proportional to 788,492.49, 1,088,119.48 and 425,916.36 is: 587,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,492.49 : 1,088,119.48 = 425,916.36 : x
  2. Step 2: Convert to fraction form
    788,492.49/1,088,119.48 = 425,916.36/x
  3. Step 3: Cross multiply
    788,492.49x = 1,088,119.48 × 425,916.36
  4. Step 4: Simplify right side
    788,492.49x = 463,447,888,166.69
  5. Step 5: Solve for x
    x = 463,447,888,166.69/788,492.49
  6. Step 6: Final answer
    x = 587,764.49

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1.5x scale

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.