Home / 914,461.40-1,371,692.10-578,538.20

Finding the Fourth Proportional to 914,461.40, 1,371,692.10 and 578,538.20

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Solution

The fourth proportional to 914,461.40, 1,371,692.10 and 578,538.20 is: 867,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,461.40 : 1,371,692.10 = 578,538.20 : x
  2. Step 2: Convert to fraction form
    914,461.40/1,371,692.10 = 578,538.20/x
  3. Step 3: Cross multiply
    914,461.40x = 1,371,692.10 × 578,538.20
  4. Step 4: Simplify right side
    914,461.40x = 793,576,278,488.22
  5. Step 5: Solve for x
    x = 793,576,278,488.22/914,461.40
  6. Step 6: Final answer
    x = 867,807.30

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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.