Home / 864,302.40-1,294,801.20-464,810.40

Finding the Fourth Proportional to 864,302.40, 1,294,801.20 and 464,810.40

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Solution

The fourth proportional to 864,302.40, 1,294,801.20 and 464,810.40 is: 696,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,302.40 : 1,294,801.20 = 464,810.40 : x
  2. Step 2: Convert to fraction form
    864,302.40/1,294,801.20 = 464,810.40/x
  3. Step 3: Cross multiply
    864,302.40x = 1,294,801.20 × 464,810.40
  4. Step 4: Simplify right side
    864,302.40x = 601,837,063,692.48
  5. Step 5: Solve for x
    x = 601,837,063,692.48/864,302.40
  6. Step 6: Final answer
    x = 696,326.96

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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.