Home / 907,509.60-1,361,264.40-608,911.20

Finding the Fourth Proportional to 907,509.60, 1,361,264.40 and 608,911.20

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Solution

The fourth proportional to 907,509.60, 1,361,264.40 and 608,911.20 is: 913,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,509.60 : 1,361,264.40 = 608,911.20 : x
  2. Step 2: Convert to fraction form
    907,509.60/1,361,264.40 = 608,911.20/x
  3. Step 3: Cross multiply
    907,509.60x = 1,361,264.40 × 608,911.20
  4. Step 4: Simplify right side
    907,509.60x = 828,889,139,321.28
  5. Step 5: Solve for x
    x = 828,889,139,321.28/907,509.60
  6. Step 6: Final answer
    x = 913,366.80

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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.