Home / 710,152.20-1,064,709.90-289,211.40

Finding the Fourth Proportional to 710,152.20, 1,064,709.90 and 289,211.40

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Solution

The fourth proportional to 710,152.20, 1,064,709.90 and 289,211.40 is: 433,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,152.20 : 1,064,709.90 = 289,211.40 : x
  2. Step 2: Convert to fraction form
    710,152.20/1,064,709.90 = 289,211.40/x
  3. Step 3: Cross multiply
    710,152.20x = 1,064,709.90 × 289,211.40
  4. Step 4: Simplify right side
    710,152.20x = 307,926,240,772.86
  5. Step 5: Solve for x
    x = 307,926,240,772.86/710,152.20
  6. Step 6: Final answer
    x = 433,605.98

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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.