Home / 745,674.96-1,029,057.12-423,374.40

Finding the Fourth Proportional to 745,674.96, 1,029,057.12 and 423,374.40

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Solution

The fourth proportional to 745,674.96, 1,029,057.12 and 423,374.40 is: 584,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,674.96 : 1,029,057.12 = 423,374.40 : x
  2. Step 2: Convert to fraction form
    745,674.96/1,029,057.12 = 423,374.40/x
  3. Step 3: Cross multiply
    745,674.96x = 1,029,057.12 × 423,374.40
  4. Step 4: Simplify right side
    745,674.96x = 435,676,440,745.73
  5. Step 5: Solve for x
    x = 435,676,440,745.73/745,674.96
  6. Step 6: Final answer
    x = 584,271.25

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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.