Home / 867,531.40-1,299,401.88-360,555.28

Finding the Fourth Proportional to 867,531.40, 1,299,401.88 and 360,555.28

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Solution

The fourth proportional to 867,531.40, 1,299,401.88 and 360,555.28 is: 540,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,531.40 : 1,299,401.88 = 360,555.28 : x
  2. Step 2: Convert to fraction form
    867,531.40/1,299,401.88 = 360,555.28/x
  3. Step 3: Cross multiply
    867,531.40x = 1,299,401.88 × 360,555.28
  4. Step 4: Simplify right side
    867,531.40x = 468,506,208,675.93
  5. Step 5: Solve for x
    x = 468,506,208,675.93/867,531.40
  6. Step 6: Final answer
    x = 540,045.25

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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.