Home / 986,300.60-1,478,143.04-506,509.01

Finding the Fourth Proportional to 986,300.60, 1,478,143.04 and 506,509.01

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Solution

The fourth proportional to 986,300.60, 1,478,143.04 and 506,509.01 is: 759,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,300.60 : 1,478,143.04 = 506,509.01 : x
  2. Step 2: Convert to fraction form
    986,300.60/1,478,143.04 = 506,509.01/x
  3. Step 3: Cross multiply
    986,300.60x = 1,478,143.04 × 506,509.01
  4. Step 4: Simplify right side
    986,300.60x = 748,692,767,828.79
  5. Step 5: Solve for x
    x = 748,692,767,828.79/986,300.60
  6. Step 6: Final answer
    x = 759,091.87

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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.