Home / 895,322.70-1,343,221.65-389,666.70

Finding the Fourth Proportional to 895,322.70, 1,343,221.65 and 389,666.70

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Solution

The fourth proportional to 895,322.70, 1,343,221.65 and 389,666.70 is: 584,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,322.70 : 1,343,221.65 = 389,666.70 : x
  2. Step 2: Convert to fraction form
    895,322.70/1,343,221.65 = 389,666.70/x
  3. Step 3: Cross multiply
    895,322.70x = 1,343,221.65 × 389,666.70
  4. Step 4: Simplify right side
    895,322.70x = 523,408,747,724.06
  5. Step 5: Solve for x
    x = 523,408,747,724.06/895,322.70
  6. Step 6: Final answer
    x = 584,603.46

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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.