Home / 906,070.40-1,360,155.48-486,166.40

Finding the Fourth Proportional to 906,070.40, 1,360,155.48 and 486,166.40

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Solution

The fourth proportional to 906,070.40, 1,360,155.48 and 486,166.40 is: 729,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,070.40 : 1,360,155.48 = 486,166.40 : x
  2. Step 2: Convert to fraction form
    906,070.40/1,360,155.48 = 486,166.40/x
  3. Step 3: Cross multiply
    906,070.40x = 1,360,155.48 × 486,166.40
  4. Step 4: Simplify right side
    906,070.40x = 661,261,893,151.87
  5. Step 5: Solve for x
    x = 661,261,893,151.87/906,070.40
  6. Step 6: Final answer
    x = 729,812.93

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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.