Home / 785,502.07-1,178,253.10-286,866.07

Finding the Fourth Proportional to 785,502.07, 1,178,253.10 and 286,866.07

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Solution

The fourth proportional to 785,502.07, 1,178,253.10 and 286,866.07 is: 430,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,502.07 : 1,178,253.10 = 286,866.07 : x
  2. Step 2: Convert to fraction form
    785,502.07/1,178,253.10 = 286,866.07/x
  3. Step 3: Cross multiply
    785,502.07x = 1,178,253.10 × 286,866.07
  4. Step 4: Simplify right side
    785,502.07x = 338,000,836,262.32
  5. Step 5: Solve for x
    x = 338,000,836,262.32/785,502.07
  6. Step 6: Final answer
    x = 430,299.10

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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.