Home / 710,411.40-1,065,228.30-289,211.40

Finding the Fourth Proportional to 710,411.40, 1,065,228.30 and 289,211.40

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Solution

The fourth proportional to 710,411.40, 1,065,228.30 and 289,211.40 is: 433,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,411.40 : 1,065,228.30 = 289,211.40 : x
  2. Step 2: Convert to fraction form
    710,411.40/1,065,228.30 = 289,211.40/x
  3. Step 3: Cross multiply
    710,411.40x = 1,065,228.30 × 289,211.40
  4. Step 4: Simplify right side
    710,411.40x = 308,076,167,962.62
  5. Step 5: Solve for x
    x = 308,076,167,962.62/710,411.40
  6. Step 6: Final answer
    x = 433,658.82

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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.