Home / 788,578.04-1,088,211.74-498,344.72

Finding the Fourth Proportional to 788,578.04, 1,088,211.74 and 498,344.72

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Solution

The fourth proportional to 788,578.04, 1,088,211.74 and 498,344.72 is: 687,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,578.04 : 1,088,211.74 = 498,344.72 : x
  2. Step 2: Convert to fraction form
    788,578.04/1,088,211.74 = 498,344.72/x
  3. Step 3: Cross multiply
    788,578.04x = 1,088,211.74 × 498,344.72
  4. Step 4: Simplify right side
    788,578.04x = 542,304,574,871.01
  5. Step 5: Solve for x
    x = 542,304,574,871.01/788,578.04
  6. Step 6: Final answer
    x = 687,699.31

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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.