Home / 759,097.76-1,047,140.19-486,862.70

Finding the Fourth Proportional to 759,097.76, 1,047,140.19 and 486,862.70

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Solution

The fourth proportional to 759,097.76, 1,047,140.19 and 486,862.70 is: 671,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,097.76 : 1,047,140.19 = 486,862.70 : x
  2. Step 2: Convert to fraction form
    759,097.76/1,047,140.19 = 486,862.70/x
  3. Step 3: Cross multiply
    759,097.76x = 1,047,140.19 × 486,862.70
  4. Step 4: Simplify right side
    759,097.76x = 509,813,494,946.21
  5. Step 5: Solve for x
    x = 509,813,494,946.21/759,097.76
  6. Step 6: Final answer
    x = 671,604.54

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Double scale
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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.