Home / 745,880.46-1,029,045.03-487,904.67

Finding the Fourth Proportional to 745,880.46, 1,029,045.03 and 487,904.67

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Solution

The fourth proportional to 745,880.46, 1,029,045.03 and 487,904.67 is: 673,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,880.46 : 1,029,045.03 = 487,904.67 : x
  2. Step 2: Convert to fraction form
    745,880.46/1,029,045.03 = 487,904.67/x
  3. Step 3: Cross multiply
    745,880.46x = 1,029,045.03 × 487,904.67
  4. Step 4: Simplify right side
    745,880.46x = 502,075,876,841.84
  5. Step 5: Solve for x
    x = 502,075,876,841.84/745,880.46
  6. Step 6: Final answer
    x = 673,131.83

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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.