Home / 649,386.04-896,075.13-358,958.38

Finding the Fourth Proportional to 649,386.04, 896,075.13 and 358,958.38

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Solution

The fourth proportional to 649,386.04, 896,075.13 and 358,958.38 is: 495,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,386.04 : 896,075.13 = 358,958.38 : x
  2. Step 2: Convert to fraction form
    649,386.04/896,075.13 = 358,958.38/x
  3. Step 3: Cross multiply
    649,386.04x = 896,075.13 × 358,958.38
  4. Step 4: Simplify right side
    649,386.04x = 321,653,677,023.09
  5. Step 5: Solve for x
    x = 321,653,677,023.09/649,386.04
  6. Step 6: Final answer
    x = 495,319.67

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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.