Home / 914,478.60-1,262,596.66-570,837.72

Finding the Fourth Proportional to 914,478.60, 1,262,596.66 and 570,837.72

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Solution

The fourth proportional to 914,478.60, 1,262,596.66 and 570,837.72 is: 788,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,478.60 : 1,262,596.66 = 570,837.72 : x
  2. Step 2: Convert to fraction form
    914,478.60/1,262,596.66 = 570,837.72/x
  3. Step 3: Cross multiply
    914,478.60x = 1,262,596.66 × 570,837.72
  4. Step 4: Simplify right side
    914,478.60x = 720,737,798,674.02
  5. Step 5: Solve for x
    x = 720,737,798,674.02/914,478.60
  6. Step 6: Final answer
    x = 788,140.69

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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.