Home / 926,347.58-1,389,918.79-358,127.76

Finding the Fourth Proportional to 926,347.58, 1,389,918.79 and 358,127.76

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Solution

The fourth proportional to 926,347.58, 1,389,918.79 and 358,127.76 is: 537,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,347.58 : 1,389,918.79 = 358,127.76 : x
  2. Step 2: Convert to fraction form
    926,347.58/1,389,918.79 = 358,127.76/x
  3. Step 3: Cross multiply
    926,347.58x = 1,389,918.79 × 358,127.76
  4. Step 4: Simplify right side
    926,347.58x = 497,768,502,844.61
  5. Step 5: Solve for x
    x = 497,768,502,844.61/926,347.58
  6. Step 6: Final answer
    x = 537,345.28

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1.5x scale

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.