Home / 745,872.15-1,029,267.75-423,539.67

Finding the Fourth Proportional to 745,872.15, 1,029,267.75 and 423,539.67

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Solution

The fourth proportional to 745,872.15, 1,029,267.75 and 423,539.67 is: 584,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,872.15 : 1,029,267.75 = 423,539.67 : x
  2. Step 2: Convert to fraction form
    745,872.15/1,029,267.75 = 423,539.67/x
  3. Step 3: Cross multiply
    745,872.15x = 1,029,267.75 × 423,539.67
  4. Step 4: Simplify right side
    745,872.15x = 435,935,723,176.64
  5. Step 5: Solve for x
    x = 435,935,723,176.64/745,872.15
  6. Step 6: Final answer
    x = 584,464.41

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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.