Home / 760,142.54-1,048,830.08-454,172.96

Finding the Fourth Proportional to 760,142.54, 1,048,830.08 and 454,172.96

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Solution

The fourth proportional to 760,142.54, 1,048,830.08 and 454,172.96 is: 626,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,142.54 : 1,048,830.08 = 454,172.96 : x
  2. Step 2: Convert to fraction form
    760,142.54/1,048,830.08 = 454,172.96/x
  3. Step 3: Cross multiply
    760,142.54x = 1,048,830.08 × 454,172.96
  4. Step 4: Simplify right side
    760,142.54x = 476,350,261,970.64
  5. Step 5: Solve for x
    x = 476,350,261,970.64/760,142.54
  6. Step 6: Final answer
    x = 626,659.13

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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.