Home / 458,826.12-688,764.06-432,582.12

Finding the Fourth Proportional to 458,826.12, 688,764.06 and 432,582.12

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Solution

The fourth proportional to 458,826.12, 688,764.06 and 432,582.12 is: 649,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,826.12 : 688,764.06 = 432,582.12 : x
  2. Step 2: Convert to fraction form
    458,826.12/688,764.06 = 432,582.12/x
  3. Step 3: Cross multiply
    458,826.12x = 688,764.06 × 432,582.12
  4. Step 4: Simplify right side
    458,826.12x = 297,947,017,254.61
  5. Step 5: Solve for x
    x = 297,947,017,254.61/458,826.12
  6. Step 6: Final answer
    x = 649,368.04

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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.