Home / 759,099.76-1,047,142.95-486,864.70

Finding the Fourth Proportional to 759,099.76, 1,047,142.95 and 486,864.70

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Solution

The fourth proportional to 759,099.76, 1,047,142.95 and 486,864.70 is: 671,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,099.76 : 1,047,142.95 = 486,864.70 : x
  2. Step 2: Convert to fraction form
    759,099.76/1,047,142.95 = 486,864.70/x
  3. Step 3: Cross multiply
    759,099.76x = 1,047,142.95 × 486,864.70
  4. Step 4: Simplify right side
    759,099.76x = 509,816,938,208.87
  5. Step 5: Solve for x
    x = 509,816,938,208.87/759,099.76
  6. Step 6: Final answer
    x = 671,607.30

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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.