Home / 971,785.04-1,341,054.36-536,206.40

Finding the Fourth Proportional to 971,785.04, 1,341,054.36 and 536,206.40

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Solution

The fourth proportional to 971,785.04, 1,341,054.36 and 536,206.40 is: 739,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,785.04 : 1,341,054.36 = 536,206.40 : x
  2. Step 2: Convert to fraction form
    971,785.04/1,341,054.36 = 536,206.40/x
  3. Step 3: Cross multiply
    971,785.04x = 1,341,054.36 × 536,206.40
  4. Step 4: Simplify right side
    971,785.04x = 719,081,930,579.90
  5. Step 5: Solve for x
    x = 719,081,930,579.90/971,785.04
  6. Step 6: Final answer
    x = 739,959.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.