Home / 710,947.40-1,066,032.30-289,747.40

Finding the Fourth Proportional to 710,947.40, 1,066,032.30 and 289,747.40

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Solution

The fourth proportional to 710,947.40, 1,066,032.30 and 289,747.40 is: 434,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,947.40 : 1,066,032.30 = 289,747.40 : x
  2. Step 2: Convert to fraction form
    710,947.40/1,066,032.30 = 289,747.40/x
  3. Step 3: Cross multiply
    710,947.40x = 1,066,032.30 × 289,747.40
  4. Step 4: Simplify right side
    710,947.40x = 308,880,087,241.02
  5. Step 5: Solve for x
    x = 308,880,087,241.02/710,947.40
  6. Step 6: Final answer
    x = 434,462.64

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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.