Home / 788,987.20-1,182,897.60-434,401.60

Finding the Fourth Proportional to 788,987.20, 1,182,897.60 and 434,401.60

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Solution

The fourth proportional to 788,987.20, 1,182,897.60 and 434,401.60 is: 651,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,987.20 : 1,182,897.60 = 434,401.60 : x
  2. Step 2: Convert to fraction form
    788,987.20/1,182,897.60 = 434,401.60/x
  3. Step 3: Cross multiply
    788,987.20x = 1,182,897.60 × 434,401.60
  4. Step 4: Simplify right side
    788,987.20x = 513,852,610,076.16
  5. Step 5: Solve for x
    x = 513,852,610,076.16/788,987.20
  6. Step 6: Final answer
    x = 651,281.30

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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.