Home / 722,915.80-1,084,373.70-470,973.40

Finding the Fourth Proportional to 722,915.80, 1,084,373.70 and 470,973.40

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Solution

The fourth proportional to 722,915.80, 1,084,373.70 and 470,973.40 is: 706,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,915.80 : 1,084,373.70 = 470,973.40 : x
  2. Step 2: Convert to fraction form
    722,915.80/1,084,373.70 = 470,973.40/x
  3. Step 3: Cross multiply
    722,915.80x = 1,084,373.70 × 470,973.40
  4. Step 4: Simplify right side
    722,915.80x = 510,711,168,359.58
  5. Step 5: Solve for x
    x = 510,711,168,359.58/722,915.80
  6. Step 6: Final answer
    x = 706,460.10

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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.