Home / 712,065.71-1,068,095.86-291,341.45

Finding the Fourth Proportional to 712,065.71, 1,068,095.86 and 291,341.45

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Solution

The fourth proportional to 712,065.71, 1,068,095.86 and 291,341.45 is: 437,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,065.71 : 1,068,095.86 = 291,341.45 : x
  2. Step 2: Convert to fraction form
    712,065.71/1,068,095.86 = 291,341.45/x
  3. Step 3: Cross multiply
    712,065.71x = 1,068,095.86 × 291,341.45
  4. Step 4: Simplify right side
    712,065.71x = 311,180,596,591.40
  5. Step 5: Solve for x
    x = 311,180,596,591.40/712,065.71
  6. Step 6: Final answer
    x = 437,011.07

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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.