Home / 788,805.63-1,183,328.33-290,130.75

Finding the Fourth Proportional to 788,805.63, 1,183,328.33 and 290,130.75

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Solution

The fourth proportional to 788,805.63, 1,183,328.33 and 290,130.75 is: 435,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,805.63 : 1,183,328.33 = 290,130.75 : x
  2. Step 2: Convert to fraction form
    788,805.63/1,183,328.33 = 290,130.75/x
  3. Step 3: Cross multiply
    788,805.63x = 1,183,328.33 × 290,130.75
  4. Step 4: Simplify right side
    788,805.63x = 343,319,934,428.49
  5. Step 5: Solve for x
    x = 343,319,934,428.49/788,805.63
  6. Step 6: Final answer
    x = 435,240.22

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1.5x scale

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.