Home / 877,730-1,210,924.47-510,146.06

Finding the Fourth Proportional to 877,730, 1,210,924.47 and 510,146.06

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Solution

The fourth proportional to 877,730, 1,210,924.47 and 510,146.06 is: 703,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,730 : 1,210,924.47 = 510,146.06 : x
  2. Step 2: Convert to fraction form
    877,730/1,210,924.47 = 510,146.06/x
  3. Step 3: Cross multiply
    877,730x = 1,210,924.47 × 510,146.06
  4. Step 4: Simplify right side
    877,730x = 617,748,347,328.09
  5. Step 5: Solve for x
    x = 617,748,347,328.09/877,730
  6. Step 6: Final answer
    x = 703,802.25

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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.