Home / 910,577.67-1,256,607.35-502,679.72

Finding the Fourth Proportional to 910,577.67, 1,256,607.35 and 502,679.72

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Solution

The fourth proportional to 910,577.67, 1,256,607.35 and 502,679.72 is: 693,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,577.67 : 1,256,607.35 = 502,679.72 : x
  2. Step 2: Convert to fraction form
    910,577.67/1,256,607.35 = 502,679.72/x
  3. Step 3: Cross multiply
    910,577.67x = 1,256,607.35 × 502,679.72
  4. Step 4: Simplify right side
    910,577.67x = 631,671,022,051.51
  5. Step 5: Solve for x
    x = 631,671,022,051.51/910,577.67
  6. Step 6: Final answer
    x = 693,703.62

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1.5x scale

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.