Home / 908,440.10-1,365,612.60-778,532.30

Finding the Fourth Proportional to 908,440.10, 1,365,612.60 and 778,532.30

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Solution

The fourth proportional to 908,440.10, 1,365,612.60 and 778,532.30 is: 1,170,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,440.10 : 1,365,612.60 = 778,532.30 : x
  2. Step 2: Convert to fraction form
    908,440.10/1,365,612.60 = 778,532.30/x
  3. Step 3: Cross multiply
    908,440.10x = 1,365,612.60 × 778,532.30
  4. Step 4: Simplify right side
    908,440.10x = 1,063,173,518,386.98
  5. Step 5: Solve for x
    x = 1,063,173,518,386.98/908,440.10
  6. Step 6: Final answer
    x = 1,170,328.70

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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.