Home / 710,820.47-1,066,417.46-255,457.69

Finding the Fourth Proportional to 710,820.47, 1,066,417.46 and 255,457.69

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Solution

The fourth proportional to 710,820.47, 1,066,417.46 and 255,457.69 is: 383,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,820.47 : 1,066,417.46 = 255,457.69 : x
  2. Step 2: Convert to fraction form
    710,820.47/1,066,417.46 = 255,457.69/x
  3. Step 3: Cross multiply
    710,820.47x = 1,066,417.46 × 255,457.69
  4. Step 4: Simplify right side
    710,820.47x = 272,424,534,297.89
  5. Step 5: Solve for x
    x = 272,424,534,297.89/710,820.47
  6. Step 6: Final answer
    x = 383,253.64

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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.