Home / 759,492.81-1,138,568.76-286,510.32

Finding the Fourth Proportional to 759,492.81, 1,138,568.76 and 286,510.32

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Solution

The fourth proportional to 759,492.81, 1,138,568.76 and 286,510.32 is: 429,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,492.81 : 1,138,568.76 = 286,510.32 : x
  2. Step 2: Convert to fraction form
    759,492.81/1,138,568.76 = 286,510.32/x
  3. Step 3: Cross multiply
    759,492.81x = 1,138,568.76 × 286,510.32
  4. Step 4: Simplify right side
    759,492.81x = 326,211,699,769.60
  5. Step 5: Solve for x
    x = 326,211,699,769.60/759,492.81
  6. Step 6: Final answer
    x = 429,512.56

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Double scale
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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.