Home / 788,495.10-1,088,123.66-425,918.95

Finding the Fourth Proportional to 788,495.10, 1,088,123.66 and 425,918.95

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Solution

The fourth proportional to 788,495.10, 1,088,123.66 and 425,918.95 is: 587,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,495.10 : 1,088,123.66 = 425,918.95 : x
  2. Step 2: Convert to fraction form
    788,495.10/1,088,123.66 = 425,918.95/x
  3. Step 3: Cross multiply
    788,495.10x = 1,088,123.66 × 425,918.95
  4. Step 4: Simplify right side
    788,495.10x = 463,452,486,737.36
  5. Step 5: Solve for x
    x = 463,452,486,737.36/788,495.10
  6. Step 6: Final answer
    x = 587,768.38

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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.