Home / 761,070.98-1,050,380.80-438,775.22

Finding the Fourth Proportional to 761,070.98, 1,050,380.80 and 438,775.22

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Solution

The fourth proportional to 761,070.98, 1,050,380.80 and 438,775.22 is: 605,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,070.98 : 1,050,380.80 = 438,775.22 : x
  2. Step 2: Convert to fraction form
    761,070.98/1,050,380.80 = 438,775.22/x
  3. Step 3: Cross multiply
    761,070.98x = 1,050,380.80 × 438,775.22
  4. Step 4: Simplify right side
    761,070.98x = 460,881,066,603.78
  5. Step 5: Solve for x
    x = 460,881,066,603.78/761,070.98
  6. Step 6: Final answer
    x = 605,569.10

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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.