Home / 686,075.13-1,030,055.22-349,341.93

Finding the Fourth Proportional to 686,075.13, 1,030,055.22 and 349,341.93

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Solution

The fourth proportional to 686,075.13, 1,030,055.22 and 349,341.93 is: 524,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,075.13 : 1,030,055.22 = 349,341.93 : x
  2. Step 2: Convert to fraction form
    686,075.13/1,030,055.22 = 349,341.93/x
  3. Step 3: Cross multiply
    686,075.13x = 1,030,055.22 × 349,341.93
  4. Step 4: Simplify right side
    686,075.13x = 359,841,478,561.38
  5. Step 5: Solve for x
    x = 359,841,478,561.38/686,075.13
  6. Step 6: Final answer
    x = 524,492.82

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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.